Dr. John Somerville, born in Jamaica, was the first black graduate of USC School of Dentistry (1907). He married Vada Jetmore Watson (1912), who also became a dentist. He built the Somerville Hotel (1928), was instrumental in the founding of the Los Angeles chapter of NAACP (1914), and served on the Police Commission 1949-1953.
Clarence Muse was an African American vaudevillian, actor, singer, screenwriter, director, composer, and lawyer. Muse was the first African American to "star" in a film. He acted for more than sixty years, and appeared in more than 200 movies.
H. Claude Hudson had a varied career, working as a dentist, lawyer, and businessman. He was President of the first branch of the National Association for the Advancement of Colored People (NAACP) in Shreveport, Louisiana; after he moved his family to Los Angeles, he was elected President of the Los Angeles branch and served in that capacity for 10 years. In 1931, Dr. Hudson became the first African American graduate of Loyola Law School. He never practiced as a lawyer, however. He also founded Broadway Federal Savings and Loan.
Kenneth Hahn (1920–1997) 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.