Erich Schönhardt

Erich Schönhardt (25 June 1891 – 29 November 1979) was a German mathematician known for his 1928 discovery of the Schönhardt polyhedron, a non-convex polyhedron that cannot be partitioned into tetrahedra without introducing additional vertices.

Schönhardt studied at the University of Stuttgart, under the supervision of Ludwig Maurer. He moved back to the University of Stuttgart in 1936 He was a permanent editor of the journal Deutsche Mathematik.