Sozialwiss., tätig für den YMCA, geb. in Kyoto; labor organizer and sociologist; worked for the YMCA in Russia with a number of Bolshevik leaders; professor at the Yale Divinity School, where his failure to receive tenure caused controversy, as it was widely believed to be due to his activism and Socialist leanings; he was blacklisted by the HUAC in the 1950s; His Russian immigrant [MI] 1922