Chaim Weizmann the first Zionist Congress by the time he came to England. Gradually Weizmann set up a separate following from Moses Gaster and L.J. Greenberg in London. Manchester became an important intellectual resource for Zionism in Britain. He made a valuable contribution to liberalism, encouraging journalism on the "Manchester Guardian". Through editor C P Scott, Weizmann was mentor to Harry Sacher, and two other distinguished young men, Israel Sieff, and Simon Marks (founders of Marks & Spencer). Weizmann formed a friendship with another import/export merchant from Russia, Asher Ginzberg, a writer who would be essential to the WZF's Zionist inclusivity, urging
Rehovot That year, Rehovot had a population of 3,193. The agricultural research station that opened in Rehovot in 1932 became the Department of Agriculture of the Hebrew University of Jerusalem. In 1933, a juice factory was built. In 1934, Chaim Weizmann established the Sieff Institute, which later became the Weizmann Institute of Science. In 1937, Weizmann built his home on the land purchased adjacent to the Sieff Institute. The house later served as the presidential residence after Weizmann became president in 1948. Weizmann and his wife are buried on the grounds of the institute. In 1945, Rehovot had a population of