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 take over in Petrograd. Tsarist Russia had been very anti-Semitic but incongruously this made the British government even more determined to help the Jews. Nahum Sokolow acted as Weizmann's eyes and ears in Paris on a diplomatic mission; an Entente under the Ottoman Empire was unsettling. The Triple Entente of Arab-Armenian-Zionist was fantastic to Weizmann leaving him cold and unenthusiastic. Nonetheless the delegation left for Paris on 31 March 1917. One purpose of the Alliance was to strengthen the hand of Zionism in USA. Weizmann's relations with Balfour were intellectual and academic. He was genuinely overjoyed to convince the former