Weizmann Institute of Science 1934 by Chaim Weizmann and his first team, among them Benjamin M. Bloch, as the Daniel Sieff Research Institute. Weizmann had offered the post of director to Nobel Prize laureate Fritz Haber, but took over the directorship himself after Haber's death en route to Palestine. Before he became President of the State of Israel in February 1949, Weizmann pursued his research in organic chemistry at its laboratories. The institute was renamed the Weizmann Institute of Science in his honor on November 2, 1949, in agreement with the Sieff family. WEIZAC, one of the world’s first electronic computers was locally built
President of Israel and journalist; and Chaim Herzog was a military leader, attorney, and diplomat. The first Israeli presidents were born in the former Russian Empire, which was true of much of the leadership in the early days of the state. The first native-born president, as well as the first with a Sephardi background, was Yitzhak Navon. The first president with a Western European background was Chaim Herzog, who originally came from Belfast, United Kingdom. The first president with a Mizrahi background was Moshe Katsav, who was born in Iran. All Israeli presidents from Yitzhak Ben-Zvi to Ezer Weizman were members of, or