Kenneth Frederick Hahn was a member of the Los Angeles County Board of Supervisors for forty years, from 1952 to 1992. Hahn was on the Los Angeles City Council from 1947 to 1952. He was an ardent supporter of civil rights throughout the 1960s, and met Martin Luther King Jr. in 1961.

Gordon Ryerson Hahn was a member of the Los Angeles City Council and California State Assembly in the mid-20th Century.