Los Angeles County, CA, Biographies This file is part of the California Genealogy & History Archives http://www.rootsweb.ancestry.com/~cagha/index.htm FRANK F. OSTER, San Bernardino Born in Sparta, Wis., June 3, 1860. Educated in the Sparta High School and University of Wisconsin; grad. from the latter in the class of 1882. Admitted to the Wisconsin bar in 1885, and came to Southern California in the following year. In 1887 he located at Colton and served as City Attorney of that place for four years; was elected District. Attorney in 1893, when he moved to San Bernardino; elevated to the Superior bench in 1895, for six year term, and re-elected in 1901 and 1907, the last time without opposition.. SOURCE: Greater Los Angeles & Southern California Portraits & Personal Memoranda, Lewis Publishing Company, 1910, P.193