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Dehomag

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German subsidiary of IBM
DEHOMAG
Company typeSubsidiary
IndustryComputing
Founded1910; 114 years ago (1910)
Defunct1949 (1949)
HeadquartersBerlin and Sindelfingen
ParentIBM

Dehomag was a German subsidiary of IBM and later a standalone company with a monopoly in the German market before and during World War II. The word was a syllabic abbreviation for Deutsche Hollerith-Maschinen GmbH (English: German Hollerith Machines LLC). Hollerith refers to the German-American inventor of the technology of punched cards, Herman Hollerith. In April 1949 the company name was changed to IBM Deutschland.

Background

A general-purpose punched card from the mid twentieth century.

The technology of punched cards dates back to the 18th century when it was used for mass production of woven textiles and later used as a recording and playback system in player pianos. The use of punched cards for recording and tabulating data was first proposed and used by Semyon Korsakov around 1805. In 1832 Charles Babbage proposed using similar cards to program and to store computations for his calculating engine. Punched card technology was further developed for data-processing by Herman Hollerith from the 1880s. It was used for the 1890 United States Census and for the census work of several foreign governments.

History

Willy Heidinger, an acquaintance of Hollerith, licensed all of Hollerith’s The Tabulating Machine Company patents in 1910, and created Dehomag in Germany. In 1911 The Tabulating Machine Company was amalgamated (via stock acquisition) with three others, creating a fifth company, the Computing-Tabulating-Recording Company (CTR). In 1923 CTR acquired 90% ownership of Dehomag, thus acquiring patents developed by them. In 1924 CTR was renamed IBM.

Holocaust

Tabulating machine D11, the first universal numerical tabulating machine. Such machines were used by the Nazi German administration in organizing documents related to the Holocaust.

As an IBM subsidiary, Dehomag became the main provider of computing expertise and equipment in Nazi Germany. Dehomag gave the German government the means for two official censuses of the population after 1933 and for searching its data. Nazi government used the tabulating machines that Dehomag received before violent events like Kristallnacht for tracing Jews and dissidents. It enabled them to search databases rapidly and efficiently, and the methods were used throughout occupied Europe by the Gestapo and others to locate and arrest its victims, contributing to the Holocaust.

Dehomag leased and maintained the German government's punched card machines. Before World War II, Dehomag's general manager for Germany, Hermann Rottke, reported directly to IBM President Thomas J. Watson in New York. It was legal for companies in United States to conduct business with Germany directly until the country entered the war in December 1941. Watson had received Order of the German Eagle medal at the Berlin ICC meeting in 1937, but after Nazis' pogroms against Jews started in 1938 Watson himself wanted to distance himself and IBM from Germans but was convinced not to do so by Secretary of State Hull and he gave up the idea until spring of 1940.

IBM New York established a special subsidiary in the occupied General Government territory, Watson Business Machines, to deal with railway traffic there during the Holocaust in Poland. The German Transport Ministry used IBM machines under the New York-controlled subsidiary in Warsaw, not the German subsidiary. Watson Business Machines operated a punch card printing shop near the Warsaw Ghetto. The punch cards bore the indicia of the German subsidiary Dehomag.

Leon Krzemieniecki, the last surviving person involved in the administration of the rail transportation to Auschwitz and Treblinka, stated he knew the punched card machines were not German machines, because the labels were in English. Income from the machines leased in General Government was sent through Geneva to IBM in New York.

See also

References

  1. Black, Edwin (March 26, 2002). "Final Solutions". Village Voice. Retrieved October 23, 2017.
  2. Black, Edwin (2002). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Washington, DC: Time Warner Paperbacks. p. 541. ISBN 0751531995.
  3. Black, Edwin (2012). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Expanded Edition (2. ed.). Washington, DC: Dialog Press. p. 25. ISBN 978-0914153276.
  4. Black, Edwin (2012). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Expanded Edition (2. ed.). Washington, DC: Dialog Press. p. 30. ISBN 978-0914153276.
  5. Black, Edwin (2012). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Expanded Edition (2. ed.). Washington, DC: Dialog Press. p. 31. ISBN 978-0914153276.
  6. ^ Elkin, Larry M. (July 6, 2011). "IBM: A Centenarian's Imperfect But Impressive Recall". Tech Insider. Business Insider. Retrieved October 1, 2017.
  7. Aspray, William, ed. (1990). Computing Before Computers. Iowa State University Press. p. 137. ISBN 0-8138-0047-1.
  8. Black, Edwin (2012). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Expanded Edition (2. ed.). Washington, DC: Dialog Press. p. 44. ISBN 978-0914153276.
  9. Black, Edwin (2001). IBM and the Holocaust : the strategic alliance between Nazi Germany and America's most powerful corporation (1. ed.). New York: Crown Publishers. ISBN 0609607995.
  10. ^ Black, Edwin (2012). IBM and the Holocaust: The Strategic Alliance between Nazi Germany and America's Most Powerful Corporation. Expanded Edition (2. ed.). Washington, DC: Dialog Press. ISBN 978-0914153276.
  11. ^ Burkeman, Oliver (March 29, 2002). "IBM 'dealt directly with Holocaust organisers'". The Guardian. guardian.co.uk. Retrieved August 24, 2017.
  12. Belden, Thomas and Marva (1962). The Lengthening Shadow: The Life of Thomas J. Watson (1st ed.). United States of America and Canada: Little, Brown and Company, Inc. p. 207. LCCN 61-8065.
  13. ^ Black, Edwin (May 19, 2002). "The business of making the trains to Auschwitz run on time". Editorial. SFGate. San Francisco Chronicle. Retrieved October 1, 2017.
  14. Black, Edwin (2012). "IBM's Role in the Holocaust — What the New Documents Reveal". Huffington Post. Retrieved October 23, 2017.

Further reading

External links

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