Molotov, Vyacheslav Mikhailovich 1890 - 1986. Soviet communist politician. V M Skriabin He was chair of the Council of People's Commissars (prime minister) 1930-41 and foreign minister 1939-49 and 1953-56. He negotiated the 1939 nonaggression treaty with Germany (the Ribbentrop-Molotov pact), and, after the German invasion 1941, the Soviet partnership with the Allies. His postwar stance prolonged the Cold War and in 1957 he was expelled from the government for Stalinist activities.