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 reported the Declaration to Weizmann with elation all round: he repeated "mazel tov" over and over. The Entente had fulfilled its commitment to both Sharif Husein and Chaim Weizmann The Arab Revolt threatened to upset the apple cart. Turkish atrocities never reached Weizmann's ears, at least from the British. Sykes stressed the Entente: "We are pledged to Zionism, Armenianism liberation, and Arabian independence". On 2 December, Zionists celebrated the Declaration at the Opera House; the news of the Bolshevik Revolution, and withdrawal of Russian troops from the frontier war with Turkey, raised the pressure from Constantinople. On 11 December, Turkish