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**Gaetano Fichera**
	Italian mathematician (1922-1996)
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Date of birth	8 February 1922; Acireale (Kingdom of Italy)
Date of death	1 June 1996; Rome
Country of citizenship	Italy (1946–1996); Kingdom of Italy (1922–1946);
Educated at	Sapienza University of Rome (1939–1941); University of Catania (1937–1939);
Doctoral advisor	Mauro Picone;
Doctoral student	Maria Adelaide Sneider; Umberto Mosco (1959);
Occupation	mathematician; historian of mathematics; university teacher;
Employer	Sapienza University of Rome (1956–1996); University of Trieste (1949–1956); Italian resistance movement (1944–1945); Istituto per le Applicazioni del Calcolo Mauro Picone (1941–1943); Istituto per le Applicazioni del Calcolo Mauro Picone (1945–1948);
Member of	German Academy of Sciences Leopoldina; Lincean Academy; Russian Academy of Sciences; Academy of Sciences of Turin (1960–);
Field of work	mathematical analysis; partial differential equation;
Relative	Maria Pia Colautti (sister-in-law);
Work location	Trieste; Rome;
Notable work	Fichera's existence principle;
Award received	Feltrinelli Prize (1976); Ivane Javakhishvili Medal (1982); Gold medal for merit in school, culture and art (1979);
Authority file
	Q982570; ISNI: 0000000119327896; VIAF cluster ID: 21151959; GND ID: 1102149942; Library of Congress authority ID: n85825546; Bibliothèque nationale de France ID: 150940251; IdRef ID: 110483855; NL CR AUT ID: mub2015871888; National Library of Spain SpMaBN ID (BNE v1.0): XX1223685; Nationale Thesaurus voor Auteursnamen ID: 068866593; NORAF ID: 90179849; NUKAT ID: n01196054; J9U ID: 987007433179405171; SBN author ID: CFIV200149; Open Library ID: OL1728105A; Mathematics Genealogy Project ID: 126413
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