Au·guste Ma·rie Louis Ni·co·las /oʊˈgüst maˈri lwi nikɔˈlɑ/Show Spelled[oh-gyst ma-ree lwee nee-kaw-lah]Show IPA, 1862–1954, and his brother, Louis Jean /lwi ʒɑ̃/Show Spelled[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.