Joel Brand Eugen Band. He cabled the Jewish Agency in Istanbul to say he was on his way, and arrived by German diplomatic plane on 19 May. Paul Rose writes that Brand had no idea at this point that the deportations to Auschwitz had already begun. Brand had been told by the Jewish Agency by return cable that "Chaim" would meet him in Istanbul. Convinced of the importance of his mission, he believed this was Chaim Weizmann, president of the World Zionist Organization, later the first president of Israel. In fact the man who had arranged to meet him was Chaim Barlas,
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