EntityQ77506· pop 22· linked from 136 articlesHans FreudenthalSign in to saveDutch mathematician (1905–1990)ConnectionsLincosEntityImpossible PuzzleEntityNetherlandsConcepthistoryEntityphilosophyEntityliteratureEntityasteroidEntityInternational Standard Book NumberEntityNazismEntityUtrechtConceptconstructed languageEntitymathematicianEntitydigital object identifierEntityInternational Standard Serial NumberEntityUniversity of ParisEntityHumboldt-Universität zu BerlinEntityJSTOROrganizationUniversity of AmsterdamEntityUniversity of St AndrewsEntityNuremberg LawsEntityCategories1905 births1990 deaths20th-century Dutch historians20th-century Dutch mathematicians20th-century German Jews20th-century science writersAcademic staff of the University of AmsterdamAcademic staff of Utrecht UniversityConstructed language creatorsDutch mathematics educatorsEducational Studies in Mathematics editorsFunctional analysts