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 and places where they cannot enter." The Commission published a report that, for the first time, recommended partition, but the proposal was declared unworkable and formally rejected by the government. The two main Jewish leaders, Weizmann and Ben-Gurion had convinced the Zionist Congress to approve equivocally the Peel recommendations as a basis for more negotiation. This was the first official mention and declaration of a Zionist vision opting for a possible State with a majority of Jewish population, alongside a State with an Arab majority. The Arab leaders, headed by Haj Amin al-Husseini, rejected the plan. Weizmann made very clear