Alphonse Poitevin
French chemist, photographer and engineer (1819-1882) · France · On the map · Scientists · Died at 62
Alphonse Louis Poitevin was a French chemist, photographer and civil engineer who discovered the light-sensitive properties of bichromated gelatin and invented both the photolithography and collotype processes.
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A typical day, 30 days to 22 June 2026
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About this person
Country
France
Category
Scientists
Type
Scientist
Status
Deceased
Dates
Lived 1819 to 1882 · aged 62
