Maria Weizmann an evidence of its importance to the Soviet regime. After Joseph Stalin's death and the admission by the Soviet leadership that the "plot" was made up, she was still kept in Lubyanka prison, and released only on August 12, 1953. Weizmann immigrated to Israel in 1956. She was officially rehabilitated after Perestroika in 1989. Maria Weizmann Maria Weizmann (; born 1893) was a sister of Israeli politician and scientist Chaim Weizmann (the first President of the State of Israel). She graduated from a university in Switzerland and worked as a doctor in Moscow from 1915. Maria Weizman and her husband
Rehovot That year, Rehovot had a population of 3,193. The agricultural research station that opened in Rehovot in 1932 became the Department of Agriculture of the Hebrew University of Jerusalem. In 1933, a juice factory was built. In 1934, Chaim Weizmann established the Sieff Institute, which later became the Weizmann Institute of Science. In 1937, Weizmann built his home on the land purchased adjacent to the Sieff Institute. The house later served as the presidential residence after Weizmann became president in 1948. Weizmann and his wife are buried on the grounds of the institute. In 1945, Rehovot had a population of