Alfred François Donné (13 September 1801 – 7 March 1878) was a French bacteriologist and doctor. He was born in

Noyon Noyon (; pcd, Noéyon; la, Noviomagus Veromanduorum, Noviomagus of the Veromandui, then ) is a Communes of France, commune in the Oise Departments of France, department, northern France. Geography Noyon lies on the river Oise (river), Oise, a ...

, France, and died in Paris. Donné was the discoverer of

Trichomonas vaginalis ''Trichomonas vaginalis'' is an anaerobic, flagellated protozoan parasite and the causative agent of a sexually transmitted disease called trichomoniasis. It is the most common pathogenic protozoan that infects humans in industrialized countries ...

. He was also the inventor of the

photomicrography A micrograph or photomicrograph is a photograph or digital image taken through a microscope or similar device to show a magnified image of an object. This is opposed to a macrograph or photomacrograph, an image which is also taken on a mi ...

Léon Foucault Jean Bernard Léon Foucault (, ; ; 18 September 1819 – 11 February 1868) was a French physicist best known for his demonstration of the Foucault pendulum, a device demonstrating the effect of Earth's rotation. He also made an early measurement ...

was his student and laboratory assistant, and he remained a friend and supporter of Foucault until the latter's death.

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Who Named It? Alfred Donné
* Alfred Donne, Léon Foucault
Cours de microscopie complémentaire des études médicales ...
Paris, J.B. Baillière, 1845. 1801 births 1878 deaths People from Noyon French biologists Leukemia {{france-biologist-stub