Thomas Foster was an American physician and politician. He served as the sixth mayor of Los Angeles. He was a

physician A physician (American English), medical practitioner (Commonwealth English), medical doctor, or simply doctor, is a health professional who practices medicine, which is concerned with promoting, maintaining or restoring health through th ...

and responsible for the first schoolhouse to be built at Spring and 2nd Streets. He was not related to mayor Stephen C. Foster. He was elected in May 1855 over William G. Dryden, 192 votes to 179."The Charter Election," ''Los Angeles Star,'' May 12, 1855
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References

California Democrats Mayors of Los Angeles Politicians from Los Angeles Year of death missing Year of birth missing {{California-mayor-stub