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 with a chemist who arranged for a quantity of poison to be procured. According to the story, Kovner did not tell Weizmann of his intention to poison millions of Germans via their water supply, but only of the backup plan to poison SS members who were in allied POW camps. The lesser plan was put into operation in April 1946 at Stalag 13. Kovner's story was repeated in 1998 by another Nakam leader Yulik Harmatz. There is no independent evidence for the meeting and some historians doubt it. Kovner's biographer Dina Porat wrote that Weizmann was not in Palestine on