Events relating to medicine

A German physiologist, Adolf Fick, grinds a pair of lenses to fit snugly in contact with a patient's eyeballs

British physician Ronald Ross identifies the Anopheles mosquito as the carrier of malaria

The Bayer company in Germany sells aspirin in the form of water-soluble tablets, the first medication of its kind

Sigmund Freud publishes one of his most significant works, The Interpretation of Dreams

The Russian physiologist Ivan Pavlov keeps dogs alive almost indefinitely by severely curtailing their bodily functions

German surgeon Georg Clemens Perthes discovers, in Leipzig, that X-rays can inhibit cancer

Dutch physiologist Willem Einthoven invents the galvanometer, or electrocardiograph, for recording the electrical impulses within the heart muscle

German immunologist August von Wasserman develops a diagnostic test to reveal the presence of the syphilis spirochaete in the blood

Belgian physiologists Jules Bordet and Octave Gengou identify Bacillus pertussis, the bacterium causing whooping cough

A pediatrician in Vienna, Clemens von Pirquet, describes a condition for which he coins the term 'allergy'

The German neuropathologist Alois Alzheimer identifies physical symptoms in the brain of a dead woman who had presenile dementia

Austrian scientist Clemens von Pirquet discovers a diagnostic test to identify tuberculosis in a patient

French biologist Charles Nicolle discovers that epidemic typhus is transmitted by the body louse

Chicago cardiologist James Herrick publishes the first account of the cells causing sickle-cell anaemia

Alfred Adler ends his association breaks with Sigmund Freud and forms his own school of psychology

Carl Jung breaks with Freud and introduces the concept of the collective unconscious

Typhoid-carrier Mary Mallon is detained in New York after leaving a trail of destruction

New Zealand surgeon Harold Gillies sets up a plastic surgery unit at Aldershot, a British military base

New Zealand surgeon Harold Gillies publishes a pioneering text book, Plastic Surgery of the Face

Alfred Adler, in Vienna, opens the first of many child-guidance clinics

Canadian physiologists Frederick Banting and Charles Best isolate insulin from the pancreas for the treatment of diabetes

Sigmund Freud proposes a new interpretation of the mind in his book The Ego and the Id

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