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 Jewish Agency pledged its support for the British war effort against Nazi Germany. They raised the Jewish Brigade into the British Army, which took years to come to fruition. It authenticated the news of the Holocaust reaching the allies. In May 1942, the Zionists met at Biltmore Hotel in New York, US; a convention at which Weizmann pressed for a policy of unrestricted immigration into Palestine. A Jewish Commonwealth needed to be established, and latterly Churchill revived his backing for this project. Weizmann met Churchill on 4 November 1944 to urgently discuss the future of Palestine. Churchill agreed that Partition