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
Chaim Weizmann been successful. Of Chaim Weizmann's fifteen siblings, eleven survived to adulthood. Ten of the eleven surviving siblings made aliyah. Two also became chemists; Anna (Anushka) Weizmann worked in his Daniel Sieff Research Institute lab, registering several patents in her name. His brother, Moshe Weizmann, was the head of the Chemistry Faculty at the Hebrew University of Jerusalem. Two siblings remained in the Soviet Union following the Russian Revolution, a brother, Shmuel, and sister, Maria (Masha). Shmuel Weizmann was a dedicated Communist and member of the anti-Zionist Bund movement. During the Stalinist "Great Purge", he was arrested for alleged espionage and