Gerhard Hessenberg
Gerhard Hessenberg (; 16 August 1874 – 16 November 1925) was a German mathematician who worked in projective geometry, differential geometry, and set theory.
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Gerhard Hessenberg (; 16 August 1874 – 16 November 1925) was a German mathematician who worked in projective geometry, differential geometry, and set theory.
Provided by Wikipedia