Category:Caleb Gattegno

**Caleb Gattegno**
	Egyptian mathematician and educator
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Date of birth	11 November 1911; Alexandria
Date of death	28 July 1988; Paris
Country of citizenship	United Kingdom; Spain;
Educated at	University of Basel (Doctor, mathematics, –1937); Aix-Marseille University (1896-1971) (–1932); University of Lille (Doctor, philosophy, –1951);
Doctoral advisor	Alexander Ostrowski;
Occupation	mathematician; educator;
Employer	Lycée Français d'Alexandrie (1932–1936); University of Liverpool (1945–1946); University of London (1946–1957); United Nations (Ethiopia, 1957–1958); Educational Solutions (United States) (1968–1987);
Notable work	Silent Way; Words in Colour;
Authority file
	Q2933770; ISNI: 0000000109284706; VIAF ID: 99809121; GND ID: 131518186; Library of Congress authority ID: n50036062; Bibliothèque nationale de France ID: 12374163j; IdRef ID: 032778481; SELIBR ID: 267755; Nationale Thesaurus voor Auteursnamen ID: 074279580; NUKAT ID: n2004043841; Libris-URI: mkz142n54zfk424; National Library of Israel J9U ID: 987007423224405171; NACSIS-CAT author ID: DA01074115; Mathematics Genealogy Project ID: 89740
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