Anna Weizmann renamed the Weizmann Institute) in Rehovot. Upon her retirement in 1959, she was appointed honorary professor at the institute. Ezer Weizman, President of Israel, was the son of her brother Yechiel. 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
Chaim Weizmann fermentation. He used the bacterium Clostridium acetobutylicum (the "Weizmann organism") to produce acetone. Acetone was used in the manufacture of cordite explosive propellants critical to the Allied war effort (see Royal Navy Cordite Factory, Holton Heath). Weizmann transferred the rights to the manufacture of acetone to the Commercial Solvents Corporation in exchange for royalties. First Lord of the Admiralty Winston Churchill became aware of the possible use of Weizmann's discovery in early 1915, and Minister of Munitions David Lloyd George joined Churchill in encouraging Weizmann's development of the process. Pilot plant development of laboratory procedures was completed in 1915 at