"1905-08-10Z"^^ . . . . . . "General Secretary of theNational Committeeof theCommunist Party USA" . "1961-01-31Z"^^ . "Dennis, Eugene"@en . . . . "Francis Xavier Waldron (August 10, 1905 \u2013 January 31, 1961), best known by the pseudonym Eugene Dennis and Tim Ryan was an American communist politician and union organizer, best remembered as the long-time leader of the Communist Party USA and as named party in Dennis v. United States, a famous McCarthy Era Supreme Court case."@en . "Eugene Dennis"@en . . "1905Z"^^ . "Francis Xavier Waldron"@en . "American politician" . . . . "1961Z"^^ . "1961-01-31Z"^^ . . . "Chairman of theNational Committeeof theCommunist Party USA" .