Chaim L. Pekeris joined the Weizmann Institute as head of its Department of Applied Mathematics in 1949. He died in Rehovot, Israel on February 24, 1993. Chaim L. Pekeris Chaim Leib Pekeris (June 15, 1908 – February 24, 1993) was an Israeli-American physicist and mathematician. He made notable contributions to geophysics and the spectral theory of many-electron atoms, in particular the Helium atom. He was also one of the designers of the first computer in Israel, WEIZAC. Pekeris was born in Alytus, Vilna Governorate. With the assistance of his uncle, Pekeris and his two brothers emigrated to the United States around 1925. He
Chaim Weizmann at the congress. He envisioned a Jewish Community worldwide so that integration was complimentary with amelioration. Zionists however had one goal only, the creation of their own state with British help. In 1915, Weizmann also began working with Sir Mark Sykes, who was looking for a member of the Jewish community for a delicate mission. He met the Armenian lawyer, James Malcolm, who already knew Sykes, and British intelligence, who were tired of the oppositional politics of Moses Gaster. "Dr Weizmann ... asked when he could meet Sir Mark Sykes ... Sir Mark fixed the appointment for the very next