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Ignaz Semmelweis
Austrian doctor

Ignaz Semmelweis

Ignaz Semmelweis
The basics

Quick Facts

Intro Austrian doctor
A.K.A. Ignatius Philipp Semmelweis
Was Physician Gynaecologist Educator Scientist
From Hungary Austria
Field Academia Healthcare Science
Gender male
Birth 1 July 1818, Buda, Budapest, Central Hungary, Hungary
Death 13 August 1865, Oberdöbling, Döbling, Vienna, Austria (aged 47 years)
Ignaz Semmelweis
The details (from wikipedia)


Ignaz Philipp Semmelweis (born Semmelweis Ignác Fülöp; 1 July 1818 – 13 August 1865) was a Hungarian physician of German extraction now known as an early pioneer of antiseptic procedures. Described as the "savior of mothers", Semmelweis discovered that the incidence of puerperal fever (also known as "childbed fever") could be drastically cut by the use of hand disinfection in obstetrical clinics. Puerperal fever was common in mid-19th-century hospitals and often fatal, with mortality at 10%–35%. Semmelweis proposed the practice of washing hands with chlorinated lime solutions in 1847 while working in Vienna General Hospital's First Obstetrical Clinic, where doctors' wards had three times the mortality of midwives' wards. He published a book of his findings in Etiology, Concept and Prophylaxis of Childbed Fever.
Despite various publications of results where hand washing reduced mortality to below 1%, Semmelweis's observations conflicted with the established scientific and medical opinions of the time and his ideas were rejected by the medical community. Semmelweis could offer no acceptable scientific explanation for his findings, and some doctors were offended at the suggestion that they should wash their hands. Semmelweis's practice earned widespread acceptance only years after his death, when Louis Pasteur confirmed the germ theory and Joseph Lister, acting on the French microbiologist's research, practiced and operated, using hygienic methods, with great success. In 1865, Semmelweis was committed to an asylum, where he died at age 47 of pyaemia, after being beaten by the guards, only 14 days after he was committed.

Family and early life

At left, a painted portrait of a woman in a black dress with a frilled hood and ruffled collar. At right, a painted picture of a man in a black coat wearing a cravat.
Teréz Müller and József Semmelweis, the parents of Ignaz Semmelweis
A painted portrait of a boy in a black coat and a red shirt, holding a book in his right hand.
Ignaz Semmelweis as a child in 1830

Ignaz Semmelweis was born on 1 July 1818 in Tabán, neighbourhood of Buda, Hungary, today part of Budapest. He was the fifth child out of ten of the prosperous grocer family of József Semmelweis and Teréz Müller.

His father was an ethnic German (Josef Semmelweis (1778–1846)) born in Kismarton, then part of Hungary, now Eisenstadt, Austria. He achieved permission to set up a shop in Buda in 1806 and, in the same year, opened a wholesale business for spices and general consumer goods. The company was named zum Weißen Elefanten (at the White Elephant) in Meindl-Haus in Tabán (today's 1-3, Apród Street, Semmelweis Museum of Medical History). By 1810, he was a wealthy man and married Teréz Müller, daughter of the coach (vehicle) builder Fülöp Müller.

Ignaz Semmelweis began studying law at the University of Vienna in the autumn of 1837, but by the following year, for reasons that are no longer known, he had switched to medicine. He was awarded his doctorate degree in medicine in 1844. Later, after failing to obtain an appointment in a clinic for internal medicine, Semmelweis decided to specialize in obstetrics.:16 His teachers included Carl von Rokitansky, Joseph Škoda and Ferdinand von Hebra.

Discovery of cadaverous poisoning

Semmelweis statue at the University of Tehran

Semmelweis was appointed assistant to Professor Johann Klein in the First Obstetrical Clinic of the Vienna General Hospital on July 1, 1846.:72:34:501 A comparable position today in a United States hospital would be "chief resident.":56 His duties were to examine patients each morning in preparation for the professor's rounds, supervise difficult deliveries, teach students of obstetrics and be "clerk" of records.

Maternity institutions were set up all over Europe to address problems of infanticide of illegitimate children. They were set up as gratis institutions and offered to care for the infants, which made them attractive to underprivileged women, including prostitutes. In return for the free services, the women would be subjects for the training of doctors and midwives. Two maternity clinics were at the Viennese hospital. The First Clinic had an average maternal mortality rate of about 10% due to puerperal fever (actual rates fluctuated wildly). The Second Clinic's rate was considerably lower, averaging less than 4%. This fact was known outside the hospital. The two clinics admitted on alternate days, but women begged to be admitted to the Second Clinic, due to the bad reputation of the First Clinic.:69 Semmelweis described desperate women begging on their knees not to be admitted to the First Clinic.:70 Some women even preferred to give birth in the streets, pretending to have given sudden birth en route to the hospital (a practice known as street births), which meant they would still qualify for the child care benefits without having been admitted to the clinic. Semmelweis was puzzled that puerperal fever was rare among women giving street births. "To me, it appeared logical that patients who experienced street births would become ill at least as frequently as those who delivered in the clinic. […] What protected those who delivered outside the clinic from these destructive unknown endemic influences?":81

Semmelweis was severely troubled that his First Clinic had a much higher mortality rate due to puerperal fever than the Second Clinic. It "made me so miserable that life seemed worthless".:86 The two clinics used almost the same techniques, and Semmelweis started a meticulous process of eliminating all possible differences, including even religious practices. The only major difference was the individuals who worked there. The First Clinic was the teaching service for medical students, while the Second Clinic had been selected in 1841 for the instruction of midwives only.

Puerperal fever mortality rates for the First and Second Clinics at the Vienna General Hospital 1841–1846: The First Clinic evidently has the larger mortality rate.
Puerperal fever mortality rates for the First and Second Clinic at the Vienna General Hospital 1841–1846. (Data for more years are available.)
  First clinic   Second clinic
Year Births Deaths Rate (%)   Births Deaths Rate (%)
1841 3,036 237 7.8   2,442 86 3.5
1842 3,287 518 15.8   2,659 202 7.6
1843 3,060 274 9.0   2,739 164 6.0
1844 3,157 260 8.2   2,956 68 2.3
1845 3,492 241 6.9   3,241 66 2.0
1846 4,010 459 11.4   3,754 105 2.8

He excluded "overcrowding" as a cause, since the Second Clinic was always more crowded and yet the mortality was lower. He eliminated climate as a cause because the climate was the same. The breakthrough occurred in 1847, following the death of his good friend Jakob Kolletschka, who had been accidentally poked with a student's scalpel while performing a post mortem examination. Kolletschka's own autopsy showed a pathology similar to that of the women who were dying from puerperal fever. Semmelweis immediately proposed a connection between cadaveric contamination and puerperal fever.

He concluded that he and the medical students carried "cadaverous particles" on their hands from the autopsy room to the patients they examined in the First Obstetrical Clinic. This explained why the student midwives in the Second Clinic, who were not engaged in autopsies and had no contact with corpses, saw a much lower mortality rate.

The germ theory of disease had not yet been developed. Thus, Semmelweis concluded some unknown "cadaverous material" caused childbed fever. He instituted a policy of using a solution of chlorinated lime (calcium hypochlorite) for washing hands between autopsy work and the examination of patients. He did this because he found that this chlorinated solution worked best to remove the putrid smell of infected autopsy tissue, and thus perhaps destroyed the causal "poisonous" or contaminating "cadaveric" agent hypothetically being transmitted by this material.

The result was the mortality rate in the First Clinic dropped 90%, and was then comparable to that in the Second Clinic. The mortality rate in April 1847 was 18.3%. After hand washing was instituted in mid-May, the rates in June were 2.2%, July 1.2%, August 1.9% and, for the first time since the introduction of anatomical orientation, the death rate was zero in two months in the year following this discovery.

Efforts to reduce childbed fever

Semmelweis demonstrated that puerperal fever (also known as childbed fever) was contagious and that this incidence could drastically be reduced by appropriate hand washing by medical care-givers. He made this discovery in 1847 while working in the Maternity Department of the Vienna Lying-in Hospital. His failure to convince his fellow doctors led to a tragic conclusion. However, he was ultimately vindicated.

While employed as assistant to the professor of the maternity clinic at the Vienna General Hospital in Austria in 1847, Semmelweis introduced hand washing with chlorinated lime solutions for interns who had performed autopsies. This immediately reduced the incidence of fatal puerperal fever from about 10% (range 5–30%) to about 1–2%. At the time, diseases were attributed to many different and unrelated causes. Each case was considered unique, just as a human person is unique. Semmelweis's hypothesis, that there was only one cause, that all that mattered was cleanliness, was extreme at the time, and was largely ignored, rejected, or ridiculed. He was dismissed from the hospital for political reasons and harassed by the medical community in Vienna, being eventually forced to move to Budapest.

Semmelweis was outraged by the indifference of the medical profession and began writing open and increasingly angry letters to prominent European obstetricians, at times denouncing them as irresponsible murderers. His contemporaries, including his wife, believed he was losing his mind, and in 1865, nearly twenty years after his breakthrough, he was committed to an asylum. He died there of septicaemia only 14 days later, possibly as the result of being severely beaten by guards. Semmelweis's practice earned widespread acceptance only years after his death, when Louis Pasteur developed the germ theory of disease, offering a theoretical explanation for Semmelweis's findings. He is considered a pioneer of antiseptic procedures.

Conflict with established medical opinion

Puerperal fever monthly mortality rates for the First Clinic at Vienna Maternity Institution 1841–1849. Rates drop markedly when Semmelweis implemented chlorine hand washing mid-May 1847 (see rates).

Semmelweis's observations conflicted with the established scientific and medical opinions of the time. The theory of diseases was highly influenced by ideas of an imbalance of the basic "four humours" in the body, a theory known as dyscrasia, for which the main treatment was bloodlettings. Medical texts at the time emphasized that each case of disease was unique, the result of a personal imbalance, and the main difficulty of the medical profession was to establish precisely each patient's unique situation, case by case.

The findings from autopsies of deceased women also showed a confusing multitude of physical signs, which emphasized the belief that puerperal fever was not one, but many different, yet unidentified, diseases. Semmelweis's main finding — that all instances of puerperal fever could be traced back to only one single cause: lack of cleanliness — was simply unacceptable. His findings also ran against the conventional wisdom that diseases spread in the form of "bad air", also known as miasmas or vaguely as "unfavourable atmospheric-cosmic-terrestrial influences". Semmelweis's groundbreaking idea was contrary to all established medical understanding.

The rejection of Semmelweis's empirical observations is often traced to belief perseverance, the psychological tendency of clinging to discredited beliefs. Also, some historians of science argue that resistance to path-breaking contributions of obscure scientists is common and "constitutes the single most formidable block to scientific advances."

As a result, his ideas were rejected by the medical community. Other, more subtle, factors may also have played a role. Some doctors, for instance, were offended at the suggestion that they should wash their hands, feeling that their social status as gentlemen was inconsistent with the idea that their hands could be unclean.:9

Specifically, Semmelweis's claims were thought to lack scientific basis, since he could offer no acceptable explanation for his findings. Such a scientific explanation was made possible only some decades later, when Louis Pasteur, Joseph Lister, and others developed the germ theory of disease.

During 1848, Semmelweis widened the scope of his washing protocol, to include all instruments coming in contact with patients in labour, and used mortality rates time series to document his success in virtually eliminating puerperal fever from the hospital ward.

Hesitant publication of results and first signs of trouble

Streptococcus pyogenes (red-stained spheres) is responsible for most cases of severe puerperal fever. It is commonly found in the throat and nasopharynx of otherwise healthy carriers.

Toward the end of 1847, accounts of Semmelweis's work began to spread around Europe. Semmelweis and his students wrote letters to the directors of several prominent maternity clinics describing their recent observations. Ferdinand von Hebra, the editor of a leading Austrian medical journal, announced Semmelweis's discovery in the December 1847 and April 1848 issues of the medical journal. Hebra claimed that Semmelweis's work had a practical significance comparable to that of Edward Jenner's introduction of cowpox inoculations to prevent smallpox.:54–55

In late 1848, one of Semmelweis's former students wrote a lecture explaining Semmelweis's work. The lecture was presented before the Royal Medical and Surgical Society in London and a review published in The Lancet, a prominent medical journal. A few months later, another of Semmelweis's former students published a similar essay in a French periodical.

As accounts of the dramatic reduction in mortality rates in Vienna were being circulated throughout Europe, Semmelweis had reason to expect that the chlorine washings would be widely adopted, saving tens of thousands of lives. Early responses to his work also gave clear signs of coming trouble, however. Some physicians had clearly misinterpreted his claims. James Young Simpson, for instance, saw no difference between Semmelweis's groundbreaking findings and the British idea suggested by Oliver Wendell Holmes in 1843 that childbed fever was contagious (i.e. that infected persons could pass the infection to others).:10–12* Indeed, initial responses to Semmelweis's findings were that he had said nothing new.:31*

In fact, Semmelweis was warning against all decaying organic matter, not just against a specific contagion that originated from victims of childbed fever themselves. This misunderstanding, and others like it, occurred partly because Semmelweis's work was known only through secondhand reports written by his colleagues and students. At this crucial stage, Semmelweis himself had published nothing. These and similar misinterpretations would continue to cloud discussions of his work throughout the century.:56

Some accounts emphasize that Semmelweis refused to communicate his method officially to the learned circles of Vienna,:37 nor was he eager to explain it on paper.

Political turmoil and dismissal from the Vienna hospital

In 1848, a series of tumultuous revolutions swept across Europe. The resulting political turmoil would affect Semmelweis's career. In Vienna on 13 March 1848 students demonstrated in favor of increased civil rights, including trial by jury and freedom of expression. The demonstrations were led by medical students and young faculty members and were joined by workers from the suburbs. Two days later in Hungary, demonstrations and uprisings led to the Hungarian Revolution of 1848 and a full-scale war against the ruling Habsburgs of the Austrian Empire. In Vienna, the March demonstration was followed by months of general unrest.:57

No evidence indicates Semmelweis was personally involved in the events of 1848. Some of his brothers were punished for active participation in the Hungarian independence movement, and the Hungarian-born Semmelweis likely was sympathetic to the cause. Semmelweis's superior, professor Johann Klein, was a conservative Austrian, likely uneasy with the independence movements and alarmed by the other revolutions of 1848 in the Habsburg areas. Klein probably mistrusted Semmelweis.:59

When Semmelweis's term was about to expire, Carl Braun also applied for the position of "assistant" in the First Clinic, possibly at Klein's own invitation. Semmelweis and Braun were the only two applicants for the post. Semmelweis's predecessor, Breit, had been granted a two-year extension.:61, 105 Semmelweis's application for an extension was supported by Joseph Škoda and Carl von Rokitansky and by most of the medical faculty, but Klein chose Braun for the position. Semmelweis was obliged to leave the obstetrical clinic when his term expired on March 20, 1849.:61

The day his term expired, Semmelweis petitioned the Viennese authorities to be made docent of obstetrics. A docent was a private lecturer who taught students and who had access to some university facilities. At first, because of Klein's opposition, Semmelweis's petition was denied. He reapplied, but had to wait until 10 October 1850 (more than 18 months), before finally being appointed docent of 'theoretical' obstetrics.:105 The terms refused him access to cadavers and limited him to teaching students by using leather-fabricated mannequins only. A few days after being notified of his appointment, Semmelweis left Vienna abruptly and returned to Pest. He apparently left without so much as saying good-bye to his former friends and colleagues, a move that may have offended them.:52 According to his own account, he left Vienna because he was "unable to endure further frustrations in dealing with the Viennese medical establishment".:67

Life in Budapest

At left, a painting of a balding, mustachioed middle-aged man in black-tie formal attire standing beside a red table. At right, a painting of a woman in a blue dress with white stripes, standing beside a red table.
Wedding portraits of Ignaz Semmelweis and Maria Weidenhoffer (1857)

During 1848–1849, some 70 000 troops from the Habsburg-ruled Austrian Empire thwarted the Hungarian independence movement, executed or imprisoned its leaders and in the process destroyed parts of Pest. Semmelweis, upon arriving from the Habsburg Vienna in 1850, likely was not warmly welcomed in Pest.

On 20 May 1851, Semmelweis took the relatively insignificant, unpaid, honorary head-physician position of the obstetric ward of Pest's small Szent Rókus Hospital. He held that position for six years, until June 1857.:107:68 Childbed fever was rampant at the clinic; at a visit in 1850, just after returning to Pest, Semmelweis found one fresh corpse, another patient in severe agony, and four others seriously ill with the disease. After taking over in 1851, Semmelweis virtually eliminated the disease. During 1851–1855, only eight patients died from childbed fever out of 933 births (0.85%).:106–108

Despite the impressive results, Semmelweis's ideas were not accepted by the other obstetricians in Budapest.:69 The professor of obstetrics at the University of Pest, Ede Flórián Birly, never adopted Semmelweis's methods. He continued to believe that puerperal fever was due to uncleanliness of the bowel.:24* Therefore, extensive purging was the preferred treatment.

After Birly died in 1854, Semmelweis applied for the position. So did Carl Braun — Semmelweis's nemesis and successor as Johann Klein's assistant in Vienna — and Braun received more votes from his Hungarian colleagues than Semmelweis did. Semmelweis was eventually appointed in 1855, but only because the Viennese authorities overruled the wishes of the Hungarians, as Braun did not speak Hungarian. As professor of obstetrics, Semmelweis instituted chlorine washings at the University of Pest maternity clinic. Once again, the results were impressive.:69

Semmelweis declined an offer in 1857 to become professor of obstetrics at the University of Zurich.:56 The same year, Semmelweis married Maria Weidenhoffer (1837–1910), 19 years his junior and the daughter of a successful merchant in Pest. They had five children: a son who died shortly after birth, a daughter who died at the age of four months, another son who committed suicide at age 23 (possibly due to gambling debts), another daughter who would remain unmarried, and a third daughter who would have children of her own.:70

Response by the medical community

Semmelweis's main work: Die Ätiologie, der Begriff und die Prophylaxis des Kindbettfiebers, 1861 (front page)
In his 1861 book, Semmelweis presented evidence to demonstrate that the advent of pathological anatomy in Wien (Vienna) in 1823 (vertical line) was accompanied by the increased incidence of fatal childbed fever. The second vertical line marks introduction of chlorine hand washing in 1847. Rates for the Dublin Rotunda maternity hospital, which had no pathological anatomy, are shown for comparison (view rates).

Semmelweis's views were much more favorably received in the United Kingdom than on the continent, but he was more often cited than understood. The British consistently regarded Semmelweis as having supported their theory of contagion. A typical example was W. Tyler Smith, who claimed that Semmelweis "made out very conclusively" that "miasms derived from the dissecting room will excite puerperal disease.":176*:504 One of the first to respond to Semmelweis's 1848 communications was James Young Simpson, who wrote a stinging letter. Simpson surmised that the British obstetrical literature must be totally unknown in Vienna, or Semmelweis would have known that the British had long regarded childbed fever as contagious and would have employed chlorine washing to protect against it.:174

In 1856, Semmelweis's assistant Josef Fleischer reported the successful results of hand washing activities at St. Rochus and Pest maternity institutions in the Viennese Medical Weekly (Wiener Medizinische Wochenschrift).:69 The editor remarked sarcastically that it was time people stopped being misled about the theory of chlorine washings.:24:536 Two years later, Semmelweis finally published his own account of his work in an essay entitled "The Etiology of Childbed Fever". Two years later, he published a second essay, "The Difference in Opinion between Myself and the English Physicians regarding Childbed Fever". In 1861, Semmelweis finally published his main work Die Ätiologie, der Begriff und die Prophylaxis des Kindbettfiebers (German for "The Etiology, Concept and Prophylaxis of Childbed Fever"). In his 1861 book, Semmelweis lamented the slow adoption of his ideas: "Most medical lecture halls continue to resound with lectures on epidemic childbed fever and with discourses against my theories. […] In published medical works my teachings are either ignored or attacked. The medical faculty at Würzburg awarded a prize to a monograph written in 1859 in which my teachings were rejected".:169

In a textbook, Carl Braun, Semmelweis's successor as assistant in the first clinic, identified 30 causes of childbed fever; only the 28th of these was cadaverous infection. Other causes included conception and pregnancy, uremia, pressure exerted on adjacent organs by the shrinking uterus, emotional traumata, mistakes in diet, chilling, and atmospheric epidemic influences. The impact of Braun's views is clearly visible in the rising mortality rates in the 1850s.

At a conference of German physicians and natural scientists, most of the speakers rejected his doctrine, including the celebrated Rudolf Virchow, who was a scientist of the highest authority of his time. Virchow's great authority in medical circles contributed potently to Semmelweis' lack of recognition. Ede Flórián Birly, Semmelweis's predecessor as Professor of Obstetrics at the University of Pest, never accepted Semmelweis's teachings; he continued to believe that puerperal fever was due to uncleanliness of the bowel.:4* August Breisky, an obstetrician in Prague, rejected Semmelweis's book as "naive" and he referred to it as "the Koran of puerperal theology". Breisky objected that Semmelweis had not proved that puerperal fever and pyemia are identical, and he insisted that other factors beyond decaying organic matter certainly had to be included in the etiology of the disease.:41:1 Carl Edvard Marius Levy, head of the Copenhagen maternity hospital and an outspoken critic of Semmelweis's ideas, had reservations concerning the unspecific nature of cadaverous particles and that the supposed quantities were unreasonably small.:180–181 In fact, Robert Koch later used precisely this fact to prove that various infecting materials contained living organisms which could reproduce in the human body; that is, since the poison could be neither chemical nor physical in operation, it must be biological.:183*

It has been contended that Semmelweis could have had an even greater impact if he had managed to communicate his findings more effectively and avoid antagonising the medical establishment, even given the opposition from entrenched viewpoints.

Breakdown and death

Semmelweis's 1862 Open Letter to all Professors of Obstetrics

Beginning in 1861, Semmelweis suffered from various nervous complaints. He suffered from severe depression and became absentminded. Paintings from 1857 to 1864 show a progression of aging. He turned every conversation to the topic of childbed fever.

After a number of unfavorable foreign reviews of his 1861 book, Semmelweis lashed out against his critics in a series of Open Letters. They were addressed to various prominent European obstetricians, including Späth, Scanzoni, Siebold, and to "all obstetricians". They were full of bitterness, desperation, and fury and were "highly polemical and superlatively offensive",:57 at times denouncing his critics as irresponsible murderers:73 or ignoramuses.:41 He also called upon Siebold to arrange a meeting of German obstetricians somewhere in Germany to provide a forum for discussions on puerperal fever, where he would stay "until all have been converted to his theory."

In mid-1865, his public behaviour became irritating and embarrassing to his associates. He also began to drink immoderately; he spent progressively more time away from his family, sometimes in the company of a prostitute; and his wife noticed changes in his sexual behavior. On July 13, 1865, the Semmelweis family visited friends, and during the visit Semmelweis's behavior seemed particularly inappropriate.:74

The exact nature of Semmelweis's affliction has been a subject of some debate. According to K Codell Carter, in his biography of Semmelweis, the exact nature of his affliction cannot be determined:

It is impossible to appraise the nature of Semmelweis's disorder. … It may have been Alzheimer's disease, a type of dementia, which is associated with rapid cognitive decline and mood changes.:270 It may have been third-stage syphilis, a then-common disease of obstetricians who examined thousands of women at gratis institutions, or it may have been emotional exhaustion from overwork and stress.:75

In 1865, János Balassa wrote a document referring Semmelweis to a mental institution. On July 30, Ferdinand Ritter von Hebra lured him, under the pretense of visiting one of Hebra's "new Institutes", to a Viennese insane asylum located in Lazarettgasse (Landes-Irren-Anstalt in der Lazarettgasse).:293 Semmelweis surmised what was happening and tried to leave. He was severely beaten by several guards, secured in a straitjacket, and confined to a darkened cell. Apart from the straitjacket, treatments at the mental institution included dousing with cold water and administering castor oil, a laxative. He died after two weeks, on August 13, 1865, aged 47, from a gangrenous wound, possibly caused by the beating. The autopsy gave the cause of death as pyemia—blood poisoning.:76–78

Semmelweis was buried in Vienna on August 15, 1865. Only a few people attended the service.:78 Brief announcements of his death appeared in a few medical periodicals in Vienna and Budapest. Although the rules of the Hungarian Association of Physicians and Natural Scientists specified that a commemorative address be delivered in honor of a member who had died in the preceding year, there was no address for Semmelweis; his death was never even mentioned.:79

János Diescher was appointed Semmelweis's successor at the Pest University maternity clinic. Immediately, mortality rates jumped sixfold to 6%, but the physicians of Budapest said nothing; there were no inquiries and no protests. Almost no one — either in Vienna or in Budapest — seems to have been willing to acknowledge Semmelweis's life and work.:79

His remains were transferred to Budapest in 1891. On 11 October 1964, they were transferred once more to the house in which he was born. The house is now a historical museum and library, honoring Ignaz Semmelweis.:58


A Petri dish containing a red growth medium, and subdivided into three sectors, labeled A, B and C, respectively. There is much visible microbial growth in culture A, some growth in culture B, and virtually no growth in culture C.
Microbial cultures demonstrating the effectiveness of disinfection — without disinfection procedures (A), after washing hands with soap (B) and after disinfection with alcohol (C)
2008 Austrian commemorative coin picturing Semmelweis (€50 gold coin)

Semmelweis' advice on chlorine washings was probably more influential than he realized. Many doctors, particularly in Germany, appeared quite willing to experiment with the practical hand washing measures that he proposed, but virtually everyone rejected his basic and ground-breaking theoretical innovation — that the disease had only one cause, lack of cleanliness.:48 Professor Gustav Adolf Michaelis from a maternity institution in Kiel replied positively to Semmelweis' suggestions — eventually he committed suicide, however, because he felt responsible for the death of his own cousin, whom he had examined after she gave birth.:176–178

Only belatedly did his observational evidence gain wide acceptance; more than twenty years later, Louis Pasteur's work offered a theoretical explanation for Semmelweis' observations — the germ theory of disease. As such, the Semmelweis story is often used in university courses with epistemology content, e.g. philosophy of science courses—demonstrating the virtues of empiricism or positivism and providing a historical account of which types of knowledge count as scientific (and thus accepted) knowledge, and which do not. It has been seen as an irony that Semmelweis' critics considered themselves positivists, but even positivism suffers problems in the face of theories which seem magical or superstitious, such as the idea that "corpse particles" might turn a person into a corpse, with no causal mechanism being stipulated, after a simple contact. To his contemporaries, Semmelweis seemed to be reverting to the speculative theories of earlier decades that were so repugnant to his positivist contemporaries.:45

Statue of Semmelweis in front of Szent Rókus Hospital, Budapest, Hungary (erected in 1904, work of Alajos Stróbl)

The so-called Semmelweis reflex — a metaphor for a certain type of human behaviour characterized by reflex-like rejection of new knowledge because it contradicts entrenched norms, beliefs, or paradigms — is named after Semmelweis, whose ideas were ridiculed and rejected by his contemporaries.

Other legacies of Semmelweis include:

  • Semmelweis is now recognized as a pioneer of antiseptic policy
  • Semmelweis University, a university for medicine and health-related disciplines (located in Budapest, Hungary), is named after Semmelweis
  • The Semmelweis Orvostörténeti Múzeum (Semmelweis Medical History Museum) is located in the former home of Semmelweis
  • The Semmelweis Klinik, a hospital for women located in Vienna, Austria
  • The Semmelweis Hospital in Miskolc, Hungary
  • In 2008, Semmelweis was selected as the motif for an Austrian commemorative coin.


  • That Mothers Might Live (1938), U.S.A., MGM, director: Fred Zinnemann, Oscar for the best short film
  • Semmelweis (1940), Hungary, Mester Film, director: André de Toth
  • Semmelweis — Retter der Mütter (1950), East Germany, DEFA, director: Georg C. Klaren
  • Ignaz Semmelweis – Arzt der Frauen (1987), West Germany/Austria, ZDF/ORF, director: Michael Verhoeven
  • Semmelweis (1994), the Netherlands, Humanistische Omroep Stichting, director: Floor Maas
  • Docteur Semmelweis (1995), France/Poland, director: Roger Andrieux
  • Semmelweis (2001 short film), U.S.A./Austria, Belvedere Film, director: Jim Berry


  • Semmelweis, Ignác; von Györy, Tiberius (1905), Semmelweis's Gesammelte Werke Herausgegeben und zum Theil aus dem Ungarischen Übersetzt [The complete published works of Semmelweis, in part published from Hungarian] (in German), Jena Verlag von Gustav Fischer, p. 604  is the classic reference, in Latin print, not the original Gothic print.
  • Louis-Ferdinand Céline completed his Ph. D. thesis on Semmelweis in 1924. It was published as a fictionalized biography under the title La Vie et l'œuvre de Philippe Ignace Semmelweis in 1936 (English versions: The Life and Work of Semmelweis, tr. by Robert Allerton Parker, Boston : Little, Brown and Company, 1937; Semmelweis, tr. by John Harman, Atlas Press, 2008).
  • Morton Thompson's 1949 novel The Cry and the Covenant is a fictionalized account based on the life of Semmelweis.
  • Piper, John (2007). Motherkillers. Brighton: Book Guild. ISBN 978-1-84624-087-4. Retrieved 27 February 2015. , a novel based on the Semmelweis story.
  • Kurt Vonnegut praises Semmelweis at length in his 2005 memoir, A Man Without a Country, portraying his story as a tragic tale of a powerful force for good being ignored, mocked and derided in his own time. Vonnegut called him "my hero" and held his story up as a beneficial example for all mankind.
  • Obenchain, Theodore G. (2016). Genius Belabored: Childbed Fever and the Tragic Life of Ignaz Semmelweis. University of Alabama Press. ISBN 978-0-81731-929-8. 


  • "Semmelweis" by Jens Bjørneboe. Performed in 1977 at Studio Arena Theater in Buffalo, New York with Lewis J. Stadlen, Kathy Bates, and Kim Hunter. Performed in 1978 at Kennedy Center in Washington, D.C. with Colin Blakeley. Performed in 1981 at Hartman Theater in Stamford, Connecticut.
  • "What are you fighting for, Dr Semmelweis" by Titus Alexander, 1973. Performed July 1974 at Churchill Theatre, Edinburgh, Scotland, by pupils of the Edinburgh Rudolf Steiner School Dramatic Society, with Simon Scott as Semmelweis with music composed by Mark Edwards. Translated into German as "Um was kämpfen Sie, Dr. Semmelweis?" by Concilia Viegener and performed by a Steiner school in Brazil.
  • "Semmelweis" by Peter Russell. A 90-minute play broadcast 9 August 1971 on BBC Radio 4 featuring Sandor Eles in the title role.
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