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 Cohen. A London delegate raised a censure motion: that Weizmann refused to condemn the regiment. In August 1917, Weizmann quit both EZF and ZPC which he had founded with his friends. Leon Simon asked Weizmann not to "give up the struggle". At the meeting on 4 September 1917, he faced some fanatical opposition. But letters of support "sobering down" opposition, and a letter from his old friend Ginzberg "a great number of people regard you as something of a symbol of Zionism". Weizmann and Sokolow wanted to elicit from the government more than verbal promises. They had met in leafy