Lorenzo Mascheroni

1750 - 1800

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Lorenzo Mascheroni was a geometer who proved in 1797 that all Euclidean constructions can be made with compasses alone, so a straight edge in not needed.
Full MacTutor biography [Version for printing]

List of References (5 books/articles)

A Poster of Lorenzo Mascheroni

Mathematicians born in the same country

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Other Web sites
  1. Cut the knot (Compass only constructons)

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    JOC/EFR June 2004

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    http://www-history.mcs.st-andrews.ac.uk/Mathematicians/Mascheroni.html