Chaim Weizmann institute was a global success attracting scientists from all over the Diaspora. In 1949 there were 20 researchers, twenty years later there were 400 and 500 students. The Honourable Chaim Weizmann met with United States President Harry Truman and worked to obtain the support of the United States, they discussed emigration, for the establishment of the State of Israel. The President lived at Rehovot, where he regularly received the Prime Minister David Ben-Gurion into his garden. He was denied any actualisation of the political role he had hoped for by the Left. He had to be consoled with the Weizmann
Chaim Weizmann 10 February 1917 another was held, in a series of winter meetings in London. The older generation of Greenberg, Joseph Cowen and Gaster were stepping down or being passed over. "...those friends ... in close cooperation all these years", he suggested should become the EZF Council- Manchester's Sieff, Sacher and Marks, and London's Leon Simon and Samuel Tollowsky. While the war was raging in the outside world, the Zionists prepared for an even bigger fight for the survival of their homeland. Weizmann issued a statement on 11 February 1917, and on the following day, they received news of the Kerensky