1933-1935 postgrad, student, Higher Communist Institute of Education.
1922-1932 exec, posts in Central Committee, All-Union Communist Youth League. 1935-1941 teaching and Party work. 1941-1942 Assistant Secretary General, USSR Popular Commissariat of Foreign Affairs.
1942-1943 USSR Assistant Deputy Popular Commissar of Foreign Affairs. 1943-1945 Head, 4th European Deputy, USSR Popular Commissariat of Foreign Affairs. 1945-1947 USSR Ambassador to Czechoslovakia.
1947-1955 USSR Deputy Minister of Foreign Affairs. 1952-1953 simultaneously USSR Permanent Representative to United Nations Security Council. 1955-1956 USSR Ambassador to German Federal Republic.
1956-1960 USSR Deputy Minister of Foreign Affairs. 1956-1961 candidate member of the Central Committee, Communist Party of the Soviet Union. 1958 member, Soviet delegation at extraordinary United Nations session called to discuss nationalization of Suez Canal.
1959 member, Soviet delegation at Geneva Foreign Ministry Conference on the German question. 1960 headed Soviet delegation at TenNation Disarmament Conference, Geneva. Member, Soviet delegation at Paris Big Four Conference.
1961 headed USSR delegation at second part of 15th United Nations General Assembly session.