Giovanni Girolamo Saccheri

Giovanni Girolamo Saccheri
The frontispiece of "Euclides ab omni nævo vindicatus" (1733).
Born(1667-09-05)September 5, 1667
Died25 October 1733(1733-10-25) (aged 66)
NationalityItalian
Alma materJesuit College of Brera, Milan
Known forNon-Euclidean geometry
Saccheri quadrilateral
Saccheri–Legendre theorem
Parent(s)Giovanni Felice Saccheri
Maria Saccheri
Scientific career
FieldsMathematics
Geometry
Logic
InstitutionsUniversity of Turin
University of Pavia
Notable studentsLuigi Guido Grandi[1]

Giovanni Girolamo Saccheri (Italian pronunciation: [dʒoˈvanni dʒiˈrɔːlamo sakˈkɛːri]; 5 September 1667 – 25 October 1733) was an Italian Jesuit priest, scholastic philosopher, and mathematician. He is considered the forerunner of non-Euclidean geometry.[2][3]

  1. ^ O'Connor, John J.; Robertson, Edmund F., "Luigi Guido Grandi", MacTutor History of Mathematics Archive, University of St Andrews
  2. ^ Fitzpatrick 1964, p. 323.
  3. ^ De Risi 2013.