About Agnes Pockels: German chemist (1862 - 1935) | Biography, Facts, Information, Career, Wiki, Life
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Agnes Pockels
German chemist

Agnes Pockels

Agnes Pockels
The basics

Quick Facts

Intro German chemist
A.K.A. Поккельс, Агнес Луиза Вильгельмина, Аг...
Was Scientist Physicist Chemist
From Germany
Field Science
Gender female
Birth 14 February 1862, Venice, Italy
Death 21 November 1935, Brunswick, Germany (aged 73 years)
Star sign Aquarius
Siblings: Friedrich Carl Alwin Pockels
The details (from wikipedia)


Agnes Luise Wilhelmine Pockels (February 14, 1862 – November 21, 1935) was a German pioneer in chemistry. Her work was fundamental in establishing the modern discipline known as surface science, which describes the properties of liquid and solid surfaces.

Early life and education

Pockels was born in Venice, Italy, in 1862. At the time, Venice was under Austrian rule, and Pockels' father served in the Austrian Army. When he fell sick, the family moved in 1871 to Brunswick, Lower Saxony, which was part of the nascent German Empire. There, Pockels attended the Municipal High School for Girls.

As a child, Pockels was interested in science, and would have liked to study physics. In those days, however, women in Germany had no access to universities. It was only through her younger brother, the physicist Friedrich Carl Alwin Pockels, that she gained access to scientific literature. Pockels studied science at home while caring for her parents.

Research and later life

Pockels discovered the influence of impurities on the surface tension of fluids doing the dishes in her own kitchen. Despite her lack of formal training, Pockels was able to measure the surface tension of water by devising an apparatus known as the slide trough, a key instrument in the new discipline of surface science. Using an improved version of this slide trough, American chemist Irving Langmuir made additional discoveries on the properties of surface molecules, which earned him a Nobel Prize in chemistry in 1932. Pockels' device is a direct antecedent of the Langmuir–Blodgett trough, developed later by Langmuir and physicist Katharine Blodgett.

In 1891, with the help of Lord Rayleigh, Pockels published her first paper, "Surface Tension," on her measurements in the journal Nature. Thus began her career studying surface films. She never received a formal appointment, but she published a number of papers and eventually received recognition as a pioneer in the new field of surface science. Commentators wrote: "When Langmuir received the Nobel Prize for Chemistry in 1932, for his work in investigating monolayers on solids and on liquids, part of his achievement was [...] founded on original experiments first made with a button and a thin tray, by a young lady of 18 who had had no formal scientific training."

Pockels died in 1935 in Brunswick, Germany.

Honors and awards

In 1931, together with Henri Devaux, Pockels received the Laura Leonard award from the Colloid Society. In the following year, the Braunschweig University of Technology granted her an honorary PhD.

Additional resources

  • C.H. Giles and S.D. Forrester, "The origins of the surface film balance: Studies in the early history of surface chemistry, part 3", Chemistry and Industry, pp. 43–53 (9 January 1971). (Note: This article contains one of the most detailed story on Agnes Pockels, including photos on her and her family.)
  • Charles Tanford, Ben Franklin stilled the waves: An informal history of pouring oil on water with reflections on the ups and downs of scientific life in general, Oxford University Press, 2004.
  • M. Elizabeth Derrick, "Agnes Pockels, 1862-1935", Journal of Chemical Education, vol. 59, no. 12, pp. 1030–1031 (Dec. 1982).
  • Andrea Kruse and Sonja M. Schwarzl. "Zum Beispiel Agnes Pockels." In: Nachrichten aus der Chemie, 06, 2002.
The contents of this page are sourced from Wikipedia article on 14 Sep 2019. The contents are available under the CC BY-SA 4.0 license.
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https://web.archive.org/web/20050901185851/http://www.physics.ucla.edu/~cwp/Phase2/Pockels,[email protected]
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