General booking manager of the Lincoln Motion Picture Company and lifelong collector of materials on African Americans in motion pictures. Founder of the Pacific Coast News Bureau.
President of Paramount Pictures and founder of the W. W. Hodkinson Corporation. Founder of the airplane manufacturing businesses Hodkinson Aviation Corporation and Central American Aviation Corporation/Companía Nacional de Aviación.
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.