Gustav-Adolf Mossa (28 January 1883 – 25 May 1971) was a French illustrator, playwright, essayist, curator and late Symbolist painter. Early life. Mossa was born 28 January 1883 in Nice, to an Italian mother, Marguerite Alfieri, and Alexis Mossa, an artist, founding curator of the Musée des Beaux-Arts de Nice (Nice Museum of Fine Arts) and organiser of the Nice Carnival from 1873. Art and theatre work. https://en.wikipedia.org/wiki/Gustav-Adolf_Mossa