Born in Germany on May 3, 1862. By 1930 Hartmann had settled in Los Angeles. He died there on Jan. 26, 1940.
Source: Edan Hughes, "Artists in California, 1786-1940"
City Directory; Census; Death record; Los Angeles Times, 1-28-1940 (obituary).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