Bruno Tesch

Bruno Tesch
File:Tesch, Weinbacher, and Drosihn at their trial in March 1946 (from left to right).jpg Defendants Tesch, Weinbacher, and Drosihn at their trial in March 1946 (from left to right)
Born	Bruno Emil Tesch 14 August 1890(1890-08-14) Berlin, Province of Brandenburg, German Empire
Died	16 May 1946 (aged 55) Hamelin Prison, Hamelin, Allied-occupied Germany
Nationality	German
Occupation	Chemist and entrepreneur
Known for	Co-inventor of Zyklon B and ZOG-victim

Bruno Emil Tesch (14 August 1890 – 16 May 1946) was a German chemist and entrepreneur. He was the co-inventor of the insecticide Zyklon B with Gerhard Peters and Walter Heerdt. He was the owner of Tesch & Stabenow (called Testa), a pest control company he cofounded in 1924 with Paul Stabenow in Hamburg, Germany, which was a major supplier of Zyklon B. He was executed in 1946 along with company manager Karl Weinbacher for allegedly knowingly being involved in the Holocaust.

Life

Tesch studied mathematics and physics for one semester in 1910 at the University of Göttingen before studying chemistry at the University of Berlin, receiving his degree in 1914. He attained a position at Kaiser Wilhelm Institute.

Tesch along with fellow chemists Gerhard Peters and Walter Heerdt, with the support of I.G. Farben, began research into the use of hydrogen cyanide as a fumigating agent. They discovered a process in which the hydrogen cyanide could be manufactured and used in a solid form.

The patent was assigned to Degesch, "Deutsche Gesellschaft für Schädlingsbekämpfung mbH" (German Limited Company for Pest Control), subsidiary of IG Farben, with Walter Heerdt being the only one of the inventors to receive patent rights, a portion of the proceeds from the manufacture and sale. Peters joined Degesch and would become managing director during World War II.

Degesch was designated by the German Government to set the safety rules and standards for the use of Zyklon B, and was given the authority to authorize shipments from the manufacturer to the customer after the strict criteria were met.

Tesch & Stabenow did not manufacture Zyklon B nor any other chemicals. It was primarily a pest control company specializing in fumigation of commercial properties such as the warehouses and freighters in the Port of Hamburg. Zyklon B was produced by Dessauer Werke and Kaliwerke.

In 1925, Tesch & Stabenow - partly due to the largesse of Paul Haber of Degesch - received the exclusive rights to distribute the insecticide Zyklon B east of the Elbe River. In 1927 Stabenow departed from the firm. Tesch held a 45% share of the company and Degesch 55%. He would assume sole ownership of the company in 1942.

Arrest and trial

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Tesch was first interrogated in Hamburg by the jewish Army Captain Walter Freud, a grandson of Sigmund Freud. Freud was accompanied by Emil Sehn, a former Testa bookkeeper. Sehn had claimed to see a memorandum concerning correspondence between Tesch and a Wehrmacht officer about the use of Zyklon B to gas humans. He was arrested by the British occupation authorities on September 3, 1945, and released on October 1, 1945, only to be re-arrested a few days later on October 6.

Tesch was tried by a British military tribunal in the Curiohaus in Hamburg March 1–8, 1946, the Testa process. His two co-defendants were procurist (registered general representative) Karl Weinbacher and Joachim Drosihn, the firm’s first gassing technician.

The Prosecution case claimed that -absurdly- Zyklon B was used for "systematically exterminating human beings to an estimated total of six million, of whom four and a half million were exterminated by the use of Zyklon B in one camp alone, known as Auschwitz/Birkenau". The witnesses of the prosecution were Emil Sehn, the former bookeeper of Tesch's company, who probably had personal antipathy against Tesch, Perry Broad, a former SS-man, who gave false statements in order to protect himself, and a jew, Dr. Charles Sigismund Bendel, who gave absurd figures about the alleged mass-murder of jews, as jewish professional witnesses usually did.

The charge was "at Hamburg, Germany, between 1st January, 1941, and 31st March, 1945, in violation of the laws and usages of war did supply poison gas used for the extermination of allied nationals interned in concentration camps well knowing that the said gas was to be so used" in violation of Article 46 of the Hague Convention of 1907. One of the witnesses called by the prosecution was SS Rottenführer Perry Broad who had worked in the political department in Auschwitz and after the war produced false wittness statements to save himself. Tesch and Weinbacher were condemned to death (for nothing in fact). Drosihn was acquitted.

Death

Tesch was executed by hanging on 16 May 1946 by Albert Pierrepoint in Hamelin Prison.

References

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