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 was breaking off the relationship with Getzowa until 1903. His behavior was seen as dishonorable, creating fractures with others in the Zionist movement. His fellow students held a mock-court proceeding and ruled that Weizmann, should uphold his commitment and marry Getzowa, even if he later divorced her. Weizmann ignored their advice. In 1904, he moved to the United Kingdom after receiving a job offer from the Chemistry Department of the University of Manchester. He was appointed senior lecturer. In 1910, he became a British citizen, and held his British nationality until 1948, when he renounced it to assume his position