Preston was a resident of San Francisco in 1940. During WWII he was a war correspondent in
Source: Edan Hughes, author of the book "Artists in California, 1786-1940"
CD; SF Chronicle, 6-22-1943, 3/1.Nearly 20,000 biographies can be found in Artists in California 1786-1940 by Edan Hughes and is available for sale ($150). For a full book description and order information please click here