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
Faisal–Weizmann Agreement Faisal–Weizmann Agreement The Faisal–Weizmann Agreement was a 3 January 1919 agreement between Emir Faisal, the third son of Hussein of the short-lived Kingdom of Hejaz, and Chaim Weizmann, a Zionist leader who had negotiated the 1917 Balfour Declaration with the British Government, signed two weeks before the start of the Paris Peace Conference. Together with a letter written by T. E. Lawrence in Faisal's name to Felix Frankfurter in March 1919, it was one of two documents used by the Zionist delegation at the Peace Conference to argue that the Zionist plans for Palestine had prior approval of Arabs. The