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
History of the Israeli–Palestinian conflict defeating the Ottoman Turkish forces and occupied the Palestine region. The land remained under British military administration for the remainder of the war. On January 3, 1919, future president of the World Zionist Organization Chaim Weizmann and the future King Faisal I of Iraq signed the Faisal-Weizmann Agreement in which Faisal provisionally accepted the Balfour Declaration conditional on the fulfillment of British wartime promises of Palestine being included in the area of Arab independence. At the 1919 Paris Peace Conference and Treaty of Versailles, Turkey's loss of its Middle East Empire was formalized. After World War I and the collapse