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 non-interventionist position. Weizmann consulted several times with Samuel on the homeland policy during 1915, but H. H. Asquith, then Prime Minister, would be dead set against upsetting the balance of power on the Middle East. Attitudes were changing to "dithyrambic" opposition; but in the Cabinet, to the Samuel Memorandum, it remained implacably opposed with the exception of Lloyd George, an outspoken radical. Edwin Montagu, for example, Samuel's cousin was strenuously opposed. Weizmann did not attend the meeting of Jewry's ruling Conjoint Committee when it met the Zionist leadership on 14 April 1915. Yehiel Tschlenow had travelled from Berlin to speak