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 Cohen. A London delegate raised a censure motion: that Weizmann refused to condemn the regiment. In August 1917, Weizmann quit both EZF and ZPC which he had founded with his friends. Leon Simon asked Weizmann not to "give up the struggle". At the meeting on 4 September 1917, he faced some fanatical opposition. But letters of support "sobering down" opposition, and a letter from his old friend Ginzberg "a great number of people regard you as something of a symbol of Zionism". Weizmann and Sokolow wanted to elicit from the government more than verbal promises. They had met in leafy