Au⋅guste Ma⋅rie Louis Ni⋅co⋅las /oʊˈgüst maˈri lwi nikɔˈlɑ/Show Spelled Pronunciation[oh-gyst ma-ree lwee nee-kaw-lah]Show IPA, 1862–1954, and his brother, Louis Jean /lwi ʒɑ̃/Show Spelled Pronunciation[lwee zhahn]Show IPA, 1864–1948, French chemists and manufacturers of photographic materials: inventors of a motion-picture camera (1895) and a process of color photography.