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
Anna Weizmann Anna Weizmann Anna (Hana, Anushka) Weizmann (; ; 1886 – February 17, 1963) was an Israeli chemist. Anna Weizmann (Hana) was born in a large family to Ezer Weizmann and Rachel-Leah Chemerinskiy. Sister of Chaim Weizmann and Moshe Weizmann. She studied in Zurich from 1905 to 1912. She worked for a year (1913-1914) in Manchester in the chemical laboratory of the University, and lived in the house of his brother. After World War I worked in the Biochemical Institute in Moscow under the direction of . Arriving in Palestine in 1933, she started working at the Institute of Ziv (later