Hiss was Secretary-General of the United Nations Conference on International Organization ( the convention that created the UN Charter ) , which was held in San Francisco from 25 April 1945 to 26 June 1945 . Allen Weinstein wrote that Andrei Gromyko , the Soviet delegate to the conference , praised Hiss to his superior Stettinus for his " impartiality and fairness " . Hiss later became full Director of the State Department 's Office of Special Political Affairs . In late 1946 , Hiss left government service to become president of the Carnegie Endowment for International Peace , where he served until May 5 , 1949 , when he was forced to step down
United Nations Conference on International Organization
United Nations Conference on International Organization
Alger Hiss