President of Israel who is most likely to command a majority in the Knesset. The president awards the Israel Prize on Yom Ha'atzmaut and the Wolf Prize. The president also serves as the main speaker at the opening ceremonies of the half-yearly Knesset conference, as well as at the annual official ceremonies for Yom Hazikaron and Yom HaShoah. Most Israeli presidents were involved in national politics or Zionist activities before taking office. Some were also distinguished in other fields: for example, Chaim Weizmann was a leading research chemist who founded the Weizmann Institute of Science in Rehovot; Zalman Shazar was an author, poet,
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,