Emanuel Lodewijk Elte (16 March 1881 in Amsterdam – 9 April 1943 in Sobibór)[1] was a Dutch mathematician.
Emanuel Elte married Rebecca Stork in 1912 in Amsterdam, when he was a teacher at a high school in that city.
When on January 30 of that year a German officer was shot in that town, in reprisal a hundred inhabitants of Haarlem were transported to the Camp Vught, including Elte and his family.
[3] In the process he discovered all the main representatives of the exceptional En family of polytopes, save only 142 which did not satisfy his definition of semiregularity.
Regular dimensional families: Semiregular polytopes of first order: Polygons Polyhedra: 4-polytopes: