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.


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



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