Category:Hans Freudenthal (mathematician)

**Hans Freudenthal**
	Dutch mathematician Freudenthal el 1957
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Name in native language	Hans Freudenthal;
Date of birth	17 September 1905; Luckenwalde (German Empire); Jitschack Freudenthal
Date of death	13 October 1990; Utrecht
Place of burial	Begraafplaats Daelwijck (412-0-24, 52°7′45.052″N 5°5′39.34″E);
Pseudonym	V. Sirolf (Floris V, Count of Holland);
Country of citizenship	Kingdom of the Netherlands; Germany;
Educated at	Frederick William University Berlin (1923–1931);
Doctoral advisor	Heinz Hopf; Ludwig Bieberbach;
Doctoral student	Willem van Est (1950); Jacques F. Benders (1960); Hans Duistermaat (1968); Carel Scheffer (1966); Arnoud van Rooij (1963); Gerhard Veltkamp (1960); Henk J. M. Bos (1973); Jan Willem Nienhuys (1970); Jacob Ponstein (1966); Rudolf Arno Hirschfeld (1960); Gerard Jan Leppink (1961); Petrus W. H. Lemmens (1969); Ferdinand Douwe Veldkamp (1959); Arie Hendrik Boers (1956); Gerard Schellekens (1962); Eduard Johannes van der Waag (1952); Pieter Jacob van Albada (1955); G. J. B. Bremer (1955); Dono Kijne (1956); P. M. van Hiele (1957); …;
Occupation	mathematician; historian of mathematics; university teacher;
Employer	Utrecht University (Q62416144, emeritus, 1946–1976); University of Amsterdam (German-occupied Europe, 1931–1940);
Member of	Royal Netherlands Academy of Arts and Sciences; International Academy of the History of Science;
Position held	rector (Utrecht University, 1963–1964); chairperson (International Commission on Mathematical Instruction, 1967–1970);
Field of work	topology; didactics of mathematics; didactic method; algebraic topology; mathematics;
Native language	German;
Child	Matthijs Freudenthal;
Spouse	Suus Freudenthal-Lutter (1932–);
Notable work	Freudenthal suspension theorem; Impossible Puzzle; Freudenthal algebra; Freudenthal magic square; Lincos;
Award received	Gouden Ganzenveer (1984); honorary doctorate of the Vrije Universiteit Brussel (1974);
Authority file
	Q77506; ISNI: 0000000121472179, 0000000387855396; VIAF ID: 109009424, 280881659, 1028148574381324430003; GND ID: 118955217; Library of Congress authority ID: n79145198; Bibliothèque nationale de France ID: 12347130p; IdRef ID: 032441940; Biografisch Portaal van Nederland ID: 15636544; NL CR AUT ID: jcu2016909468; National Library of Israel ID (old): 000220682; National Library of Spain ID: XX1410920; Nationale Thesaurus voor Auteursnamen ID: 068395183, 072573724; NUKAT ID: n98005159; NLP ID (old): a0000002115123; National Library of Korea ID: KAC199609327; PLWABN ID: 9810647361505606; National Library of Israel J9U ID: 987007306957405171; NACSIS-CAT author ID: DA01453135; SBN author ID: SBLV002625; Digitale Bibliotheek voor de Nederlandse Letteren author ID: freu002; Mathematics Genealogy Project ID: 17394
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