Superior court judge and California state chair for the Democratic Central Committee. Chair of the Board of Prison Terms and Paroles and director of penology.
Union organizer and president of the United Electrical, Radio, and Machine Workers of America (UE) Local 1414. President of the California Congress of Industrial Organizations (CIO) and member of the Communist Party.
Co-founder and owner of the Aquarian Spiritual Center and the Aquarian Bookshop, a black-owned bookstore specializing in materials relevant to African American politics and life.
Head of the UCLA library reference department. Known for his involvement in the case Moore v. Younger, which challenged issues of censorship and intellectual freedom in libraries.
UCLA university archivist, director of the UCLA Oral History Program, and head of the UCLA Department of Special Collections. First president of the Society of California Archivists.
U.S. senator from 1943 to 1955 and 38th district California State Assembly member from 1936 to 1942. Head of the California Senate Factfinding Subcommittee on Un-American Activities ("Tenney Committee") and leader of anti-communist investigations.
Dean of the UCLA College of Business Administration. Head of management training for the UCLA Engineering, Science, and Management War Training Program.