Madison Colby was born in Wisconsin in 1842. Having just arrived from Rome, Colby settled in San Francisco in April 1870 and soon had a studio in the Mercantile Library Building. He died the following year.
Source: Edan Hughes, author of the book "Artists in California, 1786-1940"
SF Bulletin, 4-4-1870, p. 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