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
Weizmann House the Weizmanns were able to take residence in January 1937. The final sum after negotiations and construction was £14,832 6s 8d. Though this house was designed for the Weizmanns, they lived there after the Second World War, several years after it was ready for them. When the Weizmanns were not home the house was lived in by visiting world leaders, luminaries, and guests. After the house was completed some difficulties between the architect and clients continued: Chaim Weizmann was displeased with Mendelsohn over imperfections in the building such as dampness in the winter, and Vera Weizmann chose her own interior