Leonard Pytlak studied at the Newark School of Fine and Industrial Art and the Art Student’s League. He was a member of the Art League of America, Philadelphia Color Print Society and Audobon Artists. He was a member and founder of the National Serigraph Society and was involved with the New York City WPA as a graphic artist from 1934 to 1941. His work is in the collections of the Metroplitan Museum of Art, Brooklyn Museum, Denver Art Museum, New York Public Library, Museum of Modern Art, Contemporary Art Museum and the National Serigraph Society.