Category:Johann Friedrich Pfaff

**Johann Friedrich Pfaff**
	German mathematician (1765-1825) Retrat conservat a la universitat de Halle.
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Name in native language	Johann Friedrich Pfaff;
Date of birth	22 December 1765; Stuttgart (Duchy of Württemberg)
Date of death	21 April 1825; Halle (Saale) (Kingdom of Saxony)
Country of citizenship	Kingdom of Württemberg;
Residence	Kingdom of Württemberg;
Educated at	University of Göttingen (mathematics, physics, 1785–1787); Karlsschule Stuttgart (law, 1774–1785);
Doctoral advisor	Abraham Gotthelf Kästner (first doctoral advisor); Johann Elert Bode (second doctoral advisor);
Doctoral student	Carl Friedrich Gauss (1799); Karl Mollweide (1796); Johann Christian Martin Bartels (1799); Heinrich Christian Schumacher (1806); August Ferdinand Möbius (1815); Johann August Grunert (1820);
Occupation	mathematician; astronomer; university teacher;
Employer	University of Helmstedt (1788–1810); Martin Luther University Halle-Wittenberg (1810–1825);
Member of	French Academy of Sciences; Russian Academy of Sciences; Royal Prussian Academy of Sciences; Göttingen Academy of Sciences and Humanities in Lower Saxony;
Field of work	mathematical analysis;
Sibling	Wilhelm Pfaff;
Relative	Friedrich Pfaff (nephew);
Notable work	Pfaffian constraint; Pfaffian;
Authority file
	Q77361; ISNI: 0000000083853543; VIAF cluster ID: 57358711; GND ID: 116140348; Library of Congress authority ID: n87136990; Bibliothèque nationale de France ID: 16172552q; IdRef ID: 129625582; NL CR AUT ID: mzk2009511474; Nationale Thesaurus voor Auteursnamen ID: 224222937; NUKAT ID: n2012254172; NLP ID (old): a0000002784693; National Library of Poland MMS ID: 9810540009905606; NACSIS-CAT author ID: DA16102338; Open Library ID: OL2502233A; Mathematics Genealogy Project ID: 18230
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