He lived 1667 to 1741 and introduced color plates.
He lived 1765 to 1833 and invented photography. Light darkens silver chloride or silver bromide, and then sodium hypochlorite fixes it.
He lived 1787 to 1851 and invented daguerreotype.
He lived 1812 to 1889 and invented microfilm.
He lived 1800 to 1877 and invented calotype.
He lived 1824 to 1870 and invented dry collodion process. Process became efficient later [1871].
He invented tintype.
He lived 1854 to 1932 and invented roll film and cameras.
He invented kinemacolor.
He invented color travelogues. Technicolor came from it [1935], requiring only one exposure.
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Date Modified: 2022.0225