Rudolf Arnold Erren (15 August 1899 – death date unknown) was a German engineer and inventor who did important work on the use of hydrogen fuels in the early 20th century. He had several patents, developed the Erren engine,[1] and his work was "apparently the earliest reported use of hydrogen-engine supercharging of any kind."[2] One of Germany's World War II U-boats supposedly had a hydrogen engine designed by Erren.[3]

Erren was born in Prussia, served in both the German Army and Air Force during World War I, then became a police officer, and was "acquitted of a charge of murdering a superior officer."[4] Erren was interned in Canada by the British during World War II[5] and repatriated 28 October 1945.[6] He may have applied for British naturalisation in 1946.[7] He returned to Germany and remarried.[4] Erren's research records were lost during WWII.[2]

Erren's ex-wife Rosalie Mercy Burlin Erren Henderson (married 1931, divorced 1937) was one of John Haigh's murder victims.[8][9][4]

The Rudolf Erren Award of the International Association of Hydrogen Energy (IAHE) is named in his honor.[10]

See also

Selected publications

  • Erren, R.A. and Camnbell, Vf.H. , "Hydrogen: A Commercial Fuel for Internal Combustion Engines and Other Purposes", J. Inst. of Fuel (London), Vox. 6,   No. 29, June 1933, pp. 277–290.

References

  1. ↑ "New Company Formed to Exploit Erren Engine A". The Commercial Motor Archive. 1933-04-28. Retrieved 2023-04-18.
  2. 1 2 STEVENS INSTITUTE OF TECHNOLOGY (1971-08-31). HYDROGEN AS A FUEL (PDF) (Report). PREPARED FOR OFFICE OF NAVAL RESEARCH ADVANCED RESEARCH PROJECTS AGENCY.
  3. ↑ Hordeski, Michael F. (2008). Alternative Fuels: The Future of Hydrogen. The Fairmont Press, Inc. p. 26. ISBN 978-0-88173-596-3.
  4. 1 2 3 Oates, Dr Jonathan (2014-10-30). John George Haigh, the Acid-Bath Murderer: A Portrait of a Serial Killer and His Victims. Wharncliffe. pp. 70–72. ISBN 978-1-78346-214-8.
  5. ↑ "Prisoners of War, 1715-1947", database, FamilySearch (https://www.familysearch.org/ark:/61903/1:1:6FWY-8KT4  : 27 April 2022), Rudolf Erren, 1939-1942.
  6. ↑ Ancestry.com. UK, World War II Alien Internees, 1939-1945 [database on-line]. Lehi, UT, USA: Ancestry.com Operations, Inc., 2019. Original data: HO 396 WW2 Internees (Aliens) Index Cards 1939-1947, The National Archives, Kew, London, England.
  7. ↑ Rudolph Arnold Erren: application for naturalisation. 1946.
  8. ↑ "England and Wales Marriage Registration Index, 1837-2005," database, FamilySearch(https://familysearch.org/ark:/61903/1:1:QV87-3M6G : 8 October 2014), Rudolf A Erren and null, 1931; from "England & Wales Marriages, 1837-2005," database, findmypast (http://www.findmypast.com : 2012); citing 1931, quarter 4, vol. 1B, p. 705, Stockton, London, England, General Register Office, Southport, England.
  9. ↑ "Murder Mile UK True-Crime Podcast #81: Sulphuric: 5 - Rosalie Henderson". Murder Mile UK True Crime Podcast - "one of the best British & UK True Crime podcasts". Retrieved 2023-04-18.
  10. ↑ "Meet a Six-Time Fellow at Michigan Tech". College of Engineering Blog. 2022-07-21. Retrieved 2023-04-18.


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