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
Faisal–Weizmann Agreement the contrary by British and Zionist representatives. UNSCOP did not regard the agreement as ever being valid, although Weizmann asserted that the treaty should be considered valid while at the same time agreeing that Faisal had the right to void it after losing Syria to the French. Faisal-weizmann agreement is described in one stanza of Bang-e-dara by Allama Iqbal. <ref> Faisal–Weizmann Agreement The Faisal–Weizmann Agreement was a 3 January 1919 agreement between Emir Faisal, the third son of Hussein of the short-lived Kingdom of Hejaz, and Chaim Weizmann, a Zionist leader who had negotiated the 1917 Balfour Declaration with the