Bruno_Tesch

Bruno Emil Tesch (14 August 1890 – 16 May 1946) was a German chemist and entrepreneur. Together with Gerhard Peters and Walter Heerdt, he invented the insecticide Zyklon B. He was the owner of Tesch & Stabenow (called Testa), a pest control company he co-founded in 1924 with Paul Stabenow in Hamburg, Germany. During the Holocaust, Tesch sold vast quantities of Zyklon B, utilizing his pesticide as a way to commit genocide. Over 1.1 million people were murdered by the Nazis using Zyklon B.Following the end of World War II, he was arrested by the British as a war criminal, tried, and executed. Tesch and his deputy executive, Karl Weinbacher, were the only businessmen to be executed for their role in Nazi war crimes in Western Europe.