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
Chaim Weizmann would be more support among politicians for the then-current offer in Uganda, called the British Uganda Programme. Following mainstream Zionist rejection of that proposal, Weizmann was credited later with persuading Balfour, by then the Foreign Secretary, for British support to establish a Jewish homeland in Palestine, the original Zionist aspiration. The story goes that Weizmann asked Balfour, "Would you give up London to live in Saskatchewan?" When Balfour replied that the British had always lived in London, Weizmann responded, "Yes, and we lived in Jerusalem when London was still a marsh." Nevertheless, this did not prevent naturalization as a British