Chaim Weizmann peace and a renewal of its youth, creating here the springs of a new spiritual and material life. [...] I speak of both science for its own sake and science as a means to an end." His efforts led in 1934 to the creation of the Daniel Sieff Research Institute (later renamed the Weizmann Institute of Science), which was financially supported by an endowment by Israel Sieff in memory of his late son. Weizmann actively conducted research in the laboratories of this institute, primarily in the field of organic chemistry. He offered the post of director of the institute to
Rehovot That year, Rehovot had a population of 3,193. The agricultural research station that opened in Rehovot in 1932 became the Department of Agriculture of the Hebrew University of Jerusalem. In 1933, a juice factory was built. In 1934, Chaim Weizmann established the Sieff Institute, which later became the Weizmann Institute of Science. In 1937, Weizmann built his home on the land purchased adjacent to the Sieff Institute. The house later served as the presidential residence after Weizmann became president in 1948. Weizmann and his wife are buried on the grounds of the institute. In 1945, Rehovot had a population of