Mohr

Georg Mohr

Born: 1 April 1640 in Copenhagen, Denmark
Died: 26 Jan 1697 in Kieslingswalde (near Görlitz), Germany

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Mohr was a little known mathematician whose book Euclides danicus published in 1672 was forgotten about until discovered in a bookstore in 1928. Perhaps no copies were ever sold!

The book contains the theorem and its proof that all Euclidean constructions can be carried out with compasses alone. Mascheroni, who is credited with this result, did not prove it until 125 years after Mohr's book was published.

Other Web sites:

Rice University, USA

References:

  1. Dictionary of Scientific Biography
  2. J Hjelmslev, Beiträge zur Lebenabschreibung von Georg Mohr (1640-1697), Kongelige Danske Videnskabernes Selskabs Skifter 11 (1931), 3-23. 
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JOC/EFR February 1996