Chaim Weizmann that the issuance of the Balfour Declaration was the greatest single achievement of the pre-1948 Zionists. He believed that the Balfour Declaration and the legislation that followed it, such as the (3 June 1922) Churchill White Paper and the League of Nations Mandate for Palestine all represented an astonishing accomplishment for the Zionist movement. On 3 January 1919, Weizmann met Hashemite Prince Faisal to sign the Faisal-Weizmann Agreement attempting to establish the legitimate existence of the state of Israel. At the end of the month, the Paris Peace Conference decided that the Arab provinces of the Ottoman Empire should be
The Racah Institute of Physics before the opening of the Hebrew University, first steps towards physics research in Jerusalem were taken by Chaim Weizmann. Weizmann, the President of the Zionist Organisation, and the major figure in the planning and founding of the Hebrew University contacted Leonard Ornstein, the known physicist from Utrecht, the Netherlands, to prepare plans for physics research at the upcoming university. After the University was officially opened, he became the chairman of the physics group for several years, acting from his seat at Utrecht. In the year 1923, two years before its official opening, Albert Einstein gave a talk on Mount Scopus,