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 that the success of the motion possibly had more to do with a feeling on the part of Deputies that Lindo Alexander had failed to consult them than with a massive conversion on their part to the Zionist cause, nevertheless it had great significance outside the community. Within days of the resolution the Foreign Office sent a note to Lord Rothschild and to Weizmann asking them to submit their proposals for a Jewish homeland in Palestine. The way had been opened to the Balfour Declaration issued in the following November. On 31 October 1917, Chaim Weizmann became president of the