Ralph Schoenman (born January 1, 1935) is an American left-wing activist, author, logician, and journalist known for his close association with philosopher Bertrand Russell in the 1960s. Serving as Russell's personal secretary from 1960 to 1969, Schoenman played a key role in organizing anti-war and peace initiatives, including the Campaign for Nuclear Disarmament (CND), the Committee of 100, and the 1966-1967 International War Crimes Tribunal, which investigated alleged U.S. war crimes in Vietnam. He founded the Bertrand Russell Peace Foundation in 1963 and served as its general secretary, promoting radical leftist causes. Schoenman also established the Committee for a Free Palestine in the 1970s, advocating for Palestinian rights amid the Arab-Israeli conflict. His work often intersected with Trotskyist and socialist movements, and he has authored books such as 'Bertrand Russell: Philosopher of the Century' (1967) and works on logic and politics. Schoenman's relationship with Russell deteriorated in the late 1960s due to ideological differences; in 1969, Russell publicly disavowed him, accusing Schoenman of fostering division and extremism within the peace movement, leading to Schoenman's removal from the foundation. This break was controversial, with critics labeling Schoenman as overly militant, while supporters viewed him as a committed radical. Post-Russell, Schoenman continued activism through groups like the Workers League (a Trotskyist organization) and faced allegations of involvement in disruptive protests, though no major legal convictions are documented. He has been criticized for alleged ties to authoritarian regimes and for promoting conspiracy theories in his writings, but these remain unproven accusations. Living a low-profile life in recent decades, Schoenman has focused on philosophical and political scholarship, contributing to discussions on imperialism and human rights.