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 had suggested to the Americans. In May 1944, the British detained Joel Brand, a Jewish activist from Budapest, who wanted to evacuate 1 million Jews from Hungary on 10,000 trucks, with tea, coffee, cocoa, and soap. In July 1944, Weizmann pleaded on Brand's behalf but to no avail. Rezső Kasztner took over the direct negotiations with Eichmann to release migrants, but they came to nothing. Weizmann also promoted a plan to bomb the Death Camps, but the British claimed that this was too risky, dangerous and unfeasible, due to technical difficulties. On 20 September 1945, Weizmann presented the first official