Chaim Weizmann Zionist activity, and executed in 1939. His fate became known to his wife and children only in 1955. Maria Weizmann was a doctor who was arrested as part of Stalin's fabricated "Doctors' plot" in 1952 and was sentenced to five years' imprisonment in Siberia. She was released following Stalin's death in 1953, and was permitted to emigrate to Israel along with her husband in 1956. Weizmann was married to Vera Khatzmann. The couple had two sons. The younger one, Flight Lieutenant Michael Oser Weizmann (1916–1942), fought in the Royal Air Force during World War II. While serving as a pilot
Chaim Weizmann massive decline from the high of 200,000 reached during the peak Brandeis years. In summer 1930, these two factions and visions of Zionism, would come to a compromise largely on Brandeis's terms, with a restructured leadership for the ZOA. An American view is Weizmann persuaded the British cabinet to support Zionism by presenting the benefits of having a presence in Palestine in preference to the French. Imperial interests on the Suez Canal as well as sympathy after the Holocaust were important factors for British support. Jewish immigration was purposely limited by the British administration. Weizmann agreed with the policy but