Very little is known about Joseph di Sigall. Born in Poland, he lived in South America before moving to Los Angeles in the 1920s. He was trained as a physician, and he worked as a portrait painter in California.

BIBLIOGRAPHY
Edan Milton Hughes, Artists in California: 1786-1940 (San Francisco: Hughes Publishing, 1986), p. 426 § "Obituary," New York Times, September 18, 1953, p. 23.