During the years 1920-29 Weizmann served as President of the World Zionist Organization (WZO), and again from 19351946. He headed the Jewish Agency at its establishment in 1929. Weizmann played an active role in founding the Daniel Sieff Research Institute in Rehovot which was later renamed in his honor; the Weizmann Institute became a driving force behind Israel's scientific research. Weizmann
was Israel's first President, serving from 1948-52. |