While in San Francisco, Plank worked for I. Magnin. By 1920 she had moved to Los Angeles.
Source: Edan Hughes, author of the book "Artists in California, 1786-1940"
SCANearly 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