Alphonse POITEVIN

Family tree of Alphonse POITEVIN

Photographer

FrenchBorn Alphonse Louis POITEVIN

French chemist, photographer and civil engineer

Born on August 29, 1819 in Conflans-sur-Anille, France , France

Died on March 4, 1882 in Conflans-sur-Anille, France

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Poitevin discovered the light–sensitive properties of bichromated gelatin and invented both the photolithography and collotype processes.



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Geographical origins

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