Zyklon B

A Jewish Chemist named Fritz Haber seemed to be the one who has invented Zyklon B. IG Farben bought the patent for Zyklon B, A German Chemist and Pharmaceutical. IG Farben sucsseded with his company later in the 1930, he contacted Germany and became a donor for the Nazi Party. They provided large amounts of Materials for the facilities in Auschwitz and other camps. This company also contributed during WW2.