John Henry Tilden

American physician and germ theory denialist

Medical doctor & skeptic

British-born American medical doctor, researcher, and writer

American doctor, pharmaceutical entrepreneur, fraudster

American historian

American medical writer

American physician

American doctor and health education writer

American psychiatrist

American surgeon

American medical researcher

American biochemist

American physician

German physician

English oculist

American alternative medicine proponent and purveyor of anti-vaccination misinformation

American naturopath

Scottish proponent of electrical cures and showman

American holistic health practitioner

Army officer, tax collector, surgeon, physician

American alternative medic

American physiciain

Swiss physician

American physician

Dutch physician

American physician

American physician; second mayor of Santa Ana, California

American physician

Irish-American Catholic priest and physician

U.S. physician

American bacteriologist and educator

American physician, politician

German-born American physician

American physician and missionary

American physician

American physician and dentist

American physician, lecturer, writer

American physician, missionary

American ophthalmologist

American naval surgeon and explorer

American coroner

American coroner

American diplomat and physician

American physician

American physician and medical pioneer