Josef Sigall was born in Poland. He was educated in Vienna and was a gold medalist at the Royal Art Academy during 1909-15. He lived in South America before moving to Los Angeles in 1926 and to Saratoga in 1930. He worked as a portrait painter in California. In the course of his career he painted portraits of presidents Coolidge, Hoover and Roosevelt, and Hollywood notables including the actress Pola Negri. According a Los Angeles Times report, March 2, 1933 pg. 4, the Sigalls divorced on March 1, 1933.