Chaim Weizmann Chaim Weizmann Chaim Azriel Weizmann ( "", "Khaim Veytsman"; 27 November 1874 – 9 November 1952) was a Zionist leader and Israeli statesman who served as President of the Zionist Organization and later as the first President of Israel. He was elected on 16 February 1949, and served until his death in 1952. Weizmann convinced the United States government to recognize the newly formed state of Israel. Weizmann was also a biochemist who developed the acetone–butanol–ethanol fermentation process, which produces acetone through bacterial fermentation. His acetone production method was of great importance for the British war industry during World War
Chaim Weizmann the J&W Nicholson & Co gin factory in Bow, London, so industrial scale production of acetone could begin in six British distilleries requisitioned for the purpose in early 1916. The effort produced 30,000 tonnes of acetone during the war, although a national collection of horse-chestnuts was required when supplies of maize were inadequate for the quantity of starch needed for fermentation. The importance of Weizmann's work gave him favour in the eyes of the British Government, this allowed Weizmann to have access to senior Cabinet members and utilise this time to represent Zionist aspirations. After the Shell Crisis of 1915