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
President of Israel Knesset to remove the president on grounds of misconduct or incapacity. Presidential tenure is not keyed to that of the Knesset in order to assure continuity in government and the nonpartisan character of the office. There is no vice president in the Israeli governmental system. If the president is temporarily incapacitated or leaves office, the speaker of the Knesset becomes acting president. The first presidential election took place on 16 February 1949, and the winner was Chaim Weizmann. The second took place in 1951, as at the time presidential terms were linked to the length of the Knesset term (the