List Of Geometers

A **geometer** is a mathematician whose area of study is geometry.

Some important geometers and their main fields of work, chronologically listed are:

- Baudhayana (fl. c. 800 BC) - Euclidean geometry, geometric algebra
- Manava (c. 750 BC-690 BC) - Euclidean geometry
- Thales of Miletus (c. 624 BC-c. 546 BC) - Euclidean geometry
- Pythagoras (c. 570 BC-c. 495 BC) - Euclidean geometry, Pythagorean Theorem
- Zeno of Elea (c. 490 BC-c. 430 BC) - Euclidean geometry
- Hippocrates of Chios (born c. 470-died 410 BC) - first systematically organized
*Stoicheia Elements*(geometry textbook) - Mozi (c. 468 BC-c. 391 BC)
- Plato (427-347 BC)
- Theaetetus (c. 417 BC-369 BC)
- Autolycus of Pitane (360-c. 290 BC) - astronomy, spherical geometry
- Euclid (fl. 300 BC) -
*Elements*, Euclidean geometry (sometimes called the "father of geometry") - Apollonius of Perga (c. 262 BC-c. 190 BC) - Euclidean geometry, conic sections
- Archimedes (c. 287 BC-c. 212 BC) - Euclidean geometry
- Eratosthenes (c. 276 BC-c. 195/194 BC) - Euclidean geometry
- Katyayana (c. 3rd century BC) - Euclidean geometry

- Hero of Alexandria (c. AD 10-70) - Euclidean geometry
- Pappus of Alexandria (c. AD 290-c. 350) - Euclidean geometry, projective geometry
- Hypatia of Alexandria (c. AD 370-c. 415) - Euclidean geometry
- Brahmagupta (597-668) - Euclidean geometry, cyclic quadrilaterals
- Vergilius of Salzburg (c.700-784) - Irish bishop of Aghaboe, Ossory and later Salzburg, Austria; antipodes, and astronomy.
- Al-Abb?s ibn Said al-Jawhar? (c. 800-c. 860)
- Thabit ibn Qurra (826-901) - analytic geometry, non-Euclidean geometry, conic sections
- Abu'l-Wáfa (940-998) - spherical geometry, non-Euclidean geometry
- Alhazen (965-c. 1040)
- Omar Khayyam (1048-1131) - algebraic geometry, conic sections
- Ibn Ma??? (1116-1196)

Leonardo da Vinci |
Johannes Kepler |
Girard Desargues |

René Descartes |
Blaise Pascal |
Isaac Newton |

Leonhard Euler |
Carl Gauss |
August Möbius |

Nikolai Lobachevsky |
John Playfair |
Jakob Steiner |

- Piero della Francesca (1415-1492)
- Leonardo da Vinci (1452-1519) - Euclidean geometry
- Jyesthadeva (c. 1500-c. 1610) - Euclidean geometry, cyclic quadrilaterals
- Marin Getaldi? (1568-1626)
- Johannes Kepler (1571-1630) - (used geometric ideas in astronomical work)
- Girard Desargues (1591-1661) - projective geometry; Desargues' theorem
- René Descartes (1596-1650)) - invented the methodology of analytic geometry, also called
*Cartesian geometry*after him - Blaise Pascal (1623-1662) - projective geometry
- Giordano Vitale (1633-1711)
- Philippe de La Hire (1640-1718) - projective geometry
- Isaac Newton (1642-1727) - 3rd-degree algebraic curve
- Giovanni Ceva (1647-1734) - Euclidean geometry
- Giovanni Gerolamo Saccheri (1667-1733) - non-Euclidean geometry
- Leonhard Euler (1707-1783)
- Tobias Mayer (1723-1762)
- Johann Heinrich Lambert (1728-1777) - non-Euclidean geometry
- Gaspard Monge (1746-1818) - descriptive geometry
- John Playfair (1748-1819) - Euclidean geometry
- Lazare Nicolas Marguerite Carnot (1753-1823) projective geometry
- Joseph Diaz Gergonne (1771-1859 ) projective geometry; Gergonne point
- Carl Friedrich Gauss (1777-1855) - Theorema Egregium
- Louis Poinsot (1777-1859)
- Siméon Denis Poisson (1781-1840)
- Jean-Victor Poncelet (1788-1867) - projective geometry
- Augustin-Louis Cauchy (1789 - 1857)
- August Ferdinand Möbius (1790-1868) - Euclidean geometry
- Nikolai Ivanovich Lobachevsky (1792-1856) - hyperbolic geometry, a non-Euclidean geometry
- Germinal Dandelin (1794-1847) - Dandelin spheres in conic sections
- Jakob Steiner (1796-1863) - champion of synthetic geometry methodology, projective geometry, Euclidean geometry

Julius Plücker |
Arthur Cayley |
Bernhard Riemann |

Richard Dedekind |
Max Noether |
Felix Klein |

Henri Poincaré |
Evgraf Fedorov |
Alicia Boole Stott |

Albert Einstein |
Buckminster Fuller |
M. C. Escher |

- Karl Wilhelm Feuerbach (1800-1834) - Euclidean geometry
- Julius Plücker (1801-1868)
- János Bolyai (1802-1860) - hyperbolic geometry, a non-Euclidean geometry
- Christian Heinrich von Nagel (1803-1882) - Euclidean geometry
- Johann Benedict Listing (1808-1882) - topology
- Ludwig Otto Hesse (1811-1874) - algebraic invariants and geometry
- Pierre Ossian Bonnet (1819-1892) - differential geometry
- Arthur Cayley (1821-1895)
- Joseph Bertrand (1822-1900) -
- Delfino Codazzi (1824-1873) - differential geometry
- Bernhard Riemann (1826-1866) - elliptic geometry (a non-Euclidean geometry) and Riemannian geometry
- Julius Wilhelm Richard Dedekind (1831-1916)
- Ludwig Burmester (1840-1927) - theory of linkages
- Edmund Hess (1843-1903)
- Albert Victor Bäcklund (1845-1922)
- Max Noether (1844-1921) - algebraic geometry
- Henri Brocard (1845-1922) - Brocard points
- William Kingdon Clifford (1845-1879) - geometric algebra
- Pieter Hendrik Schoute (1846-1923)
- Felix Klein (1849-1925)
- Sofia Vasilyevna Kovalevskaya (1850-1891)
- Evgraf Fedorov (1853-1919)
- Henri Poincaré (1854-1912)
- Luigi Bianchi (1856-1928) - differential geometry
- Alicia Boole Stott (1860-1940)
- Hermann Minkowski (1864-1909) - non-Euclidean geometry
- Henry Frederick Baker (1866-1956) - algebraic geometry
- Élie Cartan (1869-1951)
- Dmitri Egorov (1869-1931) - differential geometry
- Veniamin Kagan (1869-1953)
- Raoul Bricard (1870-1944) - descriptive geometry
- Ernst Steinitz (1871-1928) - Steinitz's theorem
- Marcel Grossmann (1878-1936)
- Albert Einstein (1879-1955) - non-Euclidean geometry
- Oswald Veblen (1880-1960) - projective geometry, differential geometry
- Emmy Noether (1882-1935) - algebraic topology
- Harry Clinton Gossard (1884-1954)
- Arthur Rosenthal (1887-1959)
- Buckminster Fuller (1895-1983)
- Helmut Hasse (1898-1979) - algebraic geometry
- Maurits Cornelis Escher (1898-1972) - artist who used geometrical ideas extensively

H. S. M. Coxeter |
Ernst Witt |
Benoît Mandelbrot |

Branko Grünbaum |
Michael Atiyah |
J. H. Conway |

William Thurston |
Mikhail Gromov |
George W. Hart |

Shing-Tung Yau |
Károly Bezdek |
Grigori Perelman |

- William Vallance Douglas Hodge (1903-1975)
- Patrick du Val (1903-1987)
- Beniamino Segre (1903-1977) - combinatorial geometry
- Samuel L. Greitzer (1905-1988) - founding chairman of USA Mathematical Olympiad
- J. C. P. Miller (1906-1981)
- André Weil (1906-1998) - Algebraic geometry
- H. S. M. Coxeter (1907-2003) - theory of polytopes, non-Euclidean geometry, projective geometry
- J. A. Todd (1908-1994)
- Daniel Pedoe (1910-1998)
- Shiing-Shen Chern (1911-2004) - differential geometry
- Ernst Witt (1911-1991)
- Rafael Artzy (1912-2006)
- Aleksandr Danilovich Aleksandrov (1912-1999)
- László Fejes Tóth (1915-2005)
- Edwin Evariste Moise (1918-1998)
- Aleksei Pogorelov (1919-2002) - differential geometry
- Magnus Wenninger (1919-2017) - polyhedron models
- Jean-Louis Koszul (1921-)
- Isaak Yaglom (1921-1988)
- Benoît Mandelbrot (1924-2010) - fractal geometry
- Katsumi Nomizu (1924-2008) - affine differential geometry
- Michael S. Longuet-Higgins (1925-2016)
- John Leech (mathematician) (1926-1992)
- Alexander Grothendieck (1928-2014) - algebraic geometry
- Branko Grünbaum (1929-) - discrete geometry
- Michael Atiyah (1929-)
- Lev Semenovich Pontryagin (1908-1988)
- Geoffrey Colin Shephard (c. 1930-)
- Norman W. Johnson (1930-)
- John Milnor (1931-)
- Roger Penrose (1931-)
- Yuri Manin (1937-) - algebraic geometry and diophantine geometry
- Vladimir Arnold (1937-2010) - algebraic geometry
- Ernest Vinberg (1937-)
- J. H. Conway ( 1937-) - sphere packing, recreational geometry
- Robin Hartshorne (1938-) - geometry, algebraic geometry
- Phillip Griffiths (1938-) - algebraic geometry, differential geometry
- Enrico Bombieri (1940-) - algebraic geometry
- Robert Williams (geometer) (1942-)
- Peter McMullen (1942-)
- Richard S. Hamilton (1943-) - differential geometry, Ricci flow, Poincaré conjecture
- Mikhail Gromov (1943-)
- Roger Burrows (1945-) - applied close packing theory in education
- Rudy Rucker (1946-)
- William Thurston (1946-2012)
- Shing-Tung Yau (1949-)
- Michael Freedman (1951-)
- Egon Schulte (1955-) - polytopes
- George W. Hart (1955-) - sculptor
- Károly Bezdek (1955-) - Discrete geometry, sphere packing, Euclidean geometry, non-Euclidean geometry
- Simon Donaldson (1957-)
- Grigori Perelman (1966-) - Poincaré conjecture
- Maryam Mirzakhani (1977-2017)

God as architect of the world, 1220-1230, from Bible moralisée |
Kepler's Platonic solid model of planetary spacing in the Solar system from Mysterium Cosmographicum (1596) |
The Ancient of Days, 1794, by William Blake,with the compass as a symbol for divine order |
Newton (1795), by William Blake; here, Newton is depicted critically as a "divine geometer".^{[2]} |

**^**Bill Casselman. cass/Euclid/papyrus/papyrus.html "One of the Oldest Extant Diagrams from Euclid" Check`|url=`

value (help). University of British Columbia. Retrieved .**^**"Newton, object 1 (Butlin 306) "Newton"". William Blake Archive. September 25, 2013.

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