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
Anna Weizmann Anna Weizmann Anna (Hana, Anushka) Weizmann (; ; 1886 – February 17, 1963) was an Israeli chemist. Anna Weizmann (Hana) was born in a large family to Ezer Weizmann and Rachel-Leah Chemerinskiy. Sister of Chaim Weizmann and Moshe Weizmann. She studied in Zurich from 1905 to 1912. She worked for a year (1913-1914) in Manchester in the chemical laboratory of the University, and lived in the house of his brother. After World War I worked in the Biochemical Institute in Moscow under the direction of . Arriving in Palestine in 1933, she started working at the Institute of Ziv (later