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
Joseph Massel of Hebrew Poets; 1725–1903". By the time Chaim Weizmann arrived in Manchester in 1904, Massel was living in a small street of the lower end of Cheetham Hill Road (where his Hebrew printing works was based) across from Red Bank and not far from the Central Synagogue. He was much part of Manchester’s Zionist community and was a vice-president of the Manchester Zionist Association. At that time he was the only person Weizmann knew in Manchester. Massel attended the First Zionist Congress (Basle, 1897) and had probably met Weizmann at the Second Zionist Congress (Basle, 1898). Showing Weizmann hospitality he