Giovanni Girolamo Saccheri (Italian pronunciation: [dʒoˈvanni dʒiˈrɔːlamo sakˈkɛːri]; 5 September 1667 – 25 October 1733) was an Italian Jesuit priest...

A Saccheri quadrilateral is a quadrilateral with two equal sides perpendicular to the base. It is named after Giovanni Gerolamo Saccheri, who used it extensively...

1730 – James Stirling publishes The Differential Method. 1733 – Giovanni Gerolamo Saccheri studies what geometry would be like if Euclid's fifth postulate...

algebraic curve Giovanni Ceva (1647–1734) – Euclidean geometry Johann Jacob Heber (1666–1727) – surveyor and geometer Giovanni Gerolamo Saccheri (1667–1733)...

Nasīr al-Dīn al-Tūsī, Witelo, Gersonides, Alfonso, and later Giovanni Gerolamo Saccheri, John Wallis, Johann Heinrich Lambert, and Legendre. Their attempts...

refracting lens is invented by English barrister Chester Moore Hall. Giovanni Gerolamo Saccheri studies what geometry would be like if the parallel postulate...

connecting trigonometric functions and complex numbers, 1733 – Giovanni Gerolamo Saccheri studies what geometry would be like if Euclid's fifth postulate...

influences on logic and epistemology, and of the non-Euclidean geometry of Gerolamo Saccheri. He was particularly interested in the ways in which what might be...

the second oldest known printed representation of the New World Giovanni Girolamo Saccheri (1667–1733) – Jesuit mathematician and geometer who was perhaps...

playwright and librettist Carlo Goldoni (1707–1793), Gerolamo Cardano, mathematician Gerolamo Saccheri (1667–1733), Ugo Foscolo, Alessandro Volta the inventor...

earlier than Borlaug laid the foundations for the Green Revolution Giovanni Girolamo Saccheri (1667–1733), philosopher and mathematician who did early work...

the very end of the 17th century, the Italian Giovanni G. Saccheri resumed the concept of Khayyam–Saccheri quadrilateral in order to prove the fifth postulate...

university stagnated, but there were still prominent scholars such as Gerolamo Saccheri who was still involved with the university. The rebirth of the university...

oceanography Giovanni Ceva (1647–1734), mathematician, widely known for proving Ceva's theorem in elementary geometry Giovanni Girolamo Saccheri (1667–1733)...