Levi Hill (26 February 1816 − 9 February 1865) was an American minister in upstate New York who claimed in 1851 that he had invented a color photographic process. Borrowing terms previously introduced in France, Hill called his process "heliochromy" and the photographs that it produced "heliochromes", but by analogy to the naming of the then-current daguerreotype process after its inventor Louis Daguerre, Hill's color photographs were soon being called "Hillotypes".
Levi Hill (26 February 1816 − 9 February 1865) was an American minister in upstate New York who claimed in 1851 that he had invented a color photographic process. Borrowing terms previously introduced in France, Hill called his process "heliochromy" and the photographs that it produced "heliochromes", but by analogy to the naming of the then-current daguerreotype process after its inventor Louis Daguerre, Hill's color photographs were soon being called "Hillotypes".
Source: Wikipedia "Levi Hill" · CC BY-SA 4.0
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