Ivor Grattan-Guinness

Fritt Ord Award (2010) | June 23, 1985 - Katyn: January 1, 1940 | Bushra Ishaq | June 23, 1985 - Katyn: January 1, 1940 | Fritt Ord Award (2010)

Catalan researcher | Catalan of the year Award (2016), Anne Maurer Cecchini award (2012), Prince of Girona award (2013), Peace prize of the United Nations

digital humanities researcher | June 23, 1974 - Oslo: September 20, 1937 | Frederic Kaplan | June 23, 1974 - Oslo: September 20, 1937

June 23, 1973 - Budapest: March 11, 1885 | Attila Szigeti | June 23, 1973 - Budapest: March 11, 1885

Polish philosopher | Faculty of Philosophy and Sociology, University of Warsaw, University of London | Warsaw: June 23, 1971 - New York City: November 2, 2009

Dutch philosopher (1970) | Veghel: June 23, 1970 - Goleta: April 25, 2025 | Daan Roovers | Veghel: June 23, 1970 - Goleta: April 25, 2025

University of Havana | June 23, 1967 - Lafayette: February 22, 2005 | Annia Galano Jimenez | June 23, 1967 - Lafayette: February 22, 2005

Italian philosopher | University of Parma | Fosdinovo: June 23, 1966 - Paris: July 30, 1830 | Federica Montevecchi | Fosdinovo: June 23, 1966 - Paris: July 30, 1830

Belgian chemist | honorary doctorate of the University of Montpellier (2024) | Charleroi: June 23, 1965 - Edo: October 26, 1817 | Philippe H. Dubois

Catalan writer and philosopher | Joan Fuster Essay Award (1999), prize (1996), Josep Vallverdú Award for Essay (1998), Premi Carles Rahola d'assaig (2019)

Finnish mathematician and computer scientist; professor of mathematics (University of Turku, Finland) | Väisälä Prize (2006) | University of Turku (1990)

physicist | Centenary Prize (2019) | Florence: June 23, 1963 - City of Brussels: January 22, 1984 | Roberta Sessoli | Florence: June 23, 1963 - City of

mathematician | Feng Kang Prize (1995), Member of the Academia Europaea (2023), Fellow of the American Association for the Advancement of Science (2019)

British inventor, businessman, author (born 1961) | Banaba Island: June 23, 1961 - January 1, 1948 | Jonathan Ingram | Banaba Island: June 23, 1961 - January 1, 1948

French mathematician | Knight of the National Order of Merit (2017), CISI Price (1992), CNRS silver medal (1994), Blaise-Pascal Award (1992) | École Normale Supérieure

english-American physician and biochemist | Wallingford: June 23, 1959 - Qom: May 15, 1973 | Jonathan S. Stamler | Wallingford: June 23, 1959 - Qom: May 15, 1973

June 23, 1958 - Middletown: February 12, 2012 | Ismael Martínez-Liébana (Ismael Martinez-Liebana) | June 23, 1958 - Middletown: February 12, 2012

Canadian endocrinologist | Outstanding Clinical Investigator Award (2009), Fred Conrad Koch Award (2025), Banting Medal (2014), Canadian Medical Hall of Fame

Japanese chemist | Medal with Purple Ribbon | University of Tokyo | June 23, 1955 - December 27, 1925 | Kazuhito Hashimoto | June 23, 1955 - December 27, 1925

Russian university teacher | Gay-Lussac-Humboldt-Prize (2013) | Nadirashvili surface | MSU Faculty of Mechanics and Mathematics | June 23, 1955 - 16th

American mathematician | Fellow of the American Mathematical Society (2016) | University of Michigan, Albuquerque Academy, Santa Clara University | Hagåtña

June 23, 1954 - April 14, 2024 | Johan Sanctorum | June 23, 1954 - April 14, 2024

4th President of Armenia, Member of the Global Leadership Foundation, one of the directors of Eurasia House, physicist, diplomat, politician (born 1953)

author and political activist | Rožanc Award (2003) | University of Ljubljana | Slovenj Gradec: June 23, 1947 - Castellamonte: March 22, 1943 | Vinko Ošlak

American geophysicist (1947–2020) | Guggenheim Fellowship, Barringer Medal (1999), G. K. Gilbert Award (2001), Harry H. Hess Medal (2008) | Princeton

artist | University of Wisconsin–Milwaukee, University of Wisconsin–Madison | Kenosha: June 23, 1947 - Antwerp: December 22, 1660 | Thomas Shannon

Italian archbishop | Pontifical Lateran University | Sciara: June 23, 1946 - Padua: January 30, 1839 | Salvatore Gristina | Sciara: June 23, 1946 - Padua

Syrian-German writer and chemist (born 1946) | Adelbert von Chamisso Prize (award of sponsorship) (1985), Adelbert von Chamisso Prize (1993)

Swiss theoretical physicist | University of Geneva | Geneva: June 23, 1944 - Affoltern am Albis: August 9, 2023 | Dionys Baeriswyl | Geneva: June 23, 1944

American mathematician | Steele Prize for Mathematical Exposition (2001), Fellow of the American Mathematical Society (2013), Rolf Schock Prize in Mathematics

British cosmologist and astrophysicist | Copley Medal (2023), honorary doctor of ETH Zürich (2012), honorary doctor of Harvard University (2016), Gruber Prize

Björkén Prize (1995) | June 23, 1931 - Dulwich: January 1, 1922 | E. Karlsson | June 23, 1931 - Dulwich: January 1, 1922 | Björkén Prize (1995)

British paediatrician (1929-2021) | Fellow of the Royal College of Physicians of London, Fellow of the Royal College of Paediatrics and Child Health, Fellow of

American chemist (1927-1984) | Centenary Prize (1981), American Chemical Society Award in Inorganic Chemistry (1965), Remsen Award (1984) | Harvard University

German artist | University of Stuttgart | Nuremberg: June 23, 1926 - Erlangen: January 3, 2016 | Georg Nees | Nuremberg: June 23, 1926 - Erlangen: January 3, 2016

British inventor (1925-2010) | Officer of the Order of the British Empire | Trinity College, University of Edinburgh, Stowe School | Shillong: June 23, 1925

German mathematician (1917-2015) | Officer's Cross of the Order of Merit of the Federal Republic of Germany | University of Göttingen | Eisenach: June 23

American physicist | University of Chicago | Denver: June 23, 1915 - November 1, 1981 | Jane Hamilton Hall | Denver: June 23, 1915 - November 1, 1981

June 23, 1908 - New York City: March 26, 2011 | Töhötöm Nagy (Tohotom Nagy) | June 23, 1908 - New York City: March 26, 2011

British physicist (1906–1982) | Air Force Cross, Distinguished Flying Cross, Fellow of the Royal Society, Officer of the Order of the British Empire | Trinity College

American physicist (1893–1948) | Kingfisher College, University of Chicago | Meadville: June 23, 1893 - Webster Groves: June 11, 1948 | Joyce C. Stearns

American cinematographer and inventor (1892-1979) | Chicago: June 23, 1892 - Woodland Hills: February 27, 1979 | John F. Seitz | Chicago: June 23, 1892

Russian geologist | Faculty of Physics and Mathematics of Moscow Imperial University | Belinsky: June 23, 1887 - Soviet Union: May 9, 1970 | Alexander

Czech mathematician and university educator (1876-1944) | Smíchov: June 23, 1876 - Příbram: June 7, 1944 | František Čuřík (Frantisek Curik) | Smíchov

Spanish historian (1874-1959) | Universidad Central, University of Zaragoza | Calatayud: June 23, 1874 - Zaragoza: July 16, 1959 | Salvador Minguijón Adrián

Italian mathematician and economist (1871–1956) | Taibon Agordino: June 23, 1871 - Venice: August 19, 1956 | Carlo Alberto Dell'Agnola | Taibon Agordino

British naval architect (1870–1937) | Hartlepool: June 23, 1870 - October 24, 1937 | Joseph Isherwood | Hartlepool: June 23, 1870 - October 24, 1937

Slovenian cartographer and mountaineer (1859-1937) | Novo Mesto: June 23, 1859 - Ljubljana: April 26, 1937 | Alojz Knafelc | Novo Mesto: June 23, 1859

British logician (1858–1931) | Cambridge: June 23, 1858 - Northampton: January 14, 1931 | William Ernest Johnson | Cambridge: June 23, 1858 - Northampton

Russian myriapodologist (1851–1915) | June 23, 1851 - Ryazan: January 7, 1915 | A. V. Selivanov | June 23, 1851 - Ryazan: January 7, 1915

Swedish philosopher | June 23, 1851 - April 1, 1895 | Lawrence Heap Åberg (Lawrence Heap Aberg) | June 23, 1851 - April 1, 1895

German chemist and pedagogue | June 23, 1845 - January 1, 1904 | Carl Bender | June 23, 1845 - January 1, 1904

German chemist (1844–1887) | Polessk: June 23, 1844 - Hanover: September 4, 1887 | Johannes Skalweit | Polessk: June 23, 1844 - Hanover: September 4, 1887

American mathematician, who was one of the founders of the American Mathematical Society (1841–1927) | Yale University | Owego: June 23, 1841 - Baltimore: May 14, 1927

Italian physician and scientist (1837-1881) | Santa Severina: June 23, 1837 - Naples: October 9, 1881 | Diodato Borrelli | Santa Severina: June 23, 1837

scientist | Order of Saint Stanislaus, 1st class, Order of St. Vladimir, 3rd class | Saint Petersburg Theological Academy | Smolensk Governorate: June 23, 1836

German naturalist and hygienist (1832-1917) | University of Tübingen | Burg: June 23, 1832 - Stuttgart: May 13, 1917 | Gustav Jäger (Gustav Jager) | Burg

18c. Swiss astronomer | Basel: June 23, 1768 - Basel: December 3, 1829 | Daniel Huber | Basel: June 23, 1768 - Basel: December 3, 1829

Spanish astronomer | Alpens: June 23, 1765 - Alella: April 9, 1818 | Agustín Canellas (Agustin Canellas) | Alpens: June 23, 1765 - Alella: April 9, 1818

Welsh mathematician | University of Cambridge, St John's College, Trinity College | Berriew: June 23, 1756 - Edgware Road: July 18, 1807 | Thomas Jones

British mathematician and clergyman (1746–1831) | University of Aberdeen, Marischal College, University of Glasgow | Logie Pert: June 23, 1746 - Bath: February 3, 1831

Japanese philosopher (1746-1821) | Gunsho Ruijū | Hokino: June 23, 1746 - Edo: October 7, 1821 | Hanawa Hokiichi - 荻野寅之助 | Hokino: June 23, 1746

Swedish chemist and mineralogist (1720-1792) | Knight of the Order of Vasa | Bergwerks lexicon | Uppsala Cathedral Assembly: June 23, 1720 - Eskilstuna parish

Italian cardinal (1718-1802) | Samoëns: June 23, 1718 - Rome: August 12, 1802 | Hyacinthe Sigismond Gerdil | Samoëns: June 23, 1718 - Rome: August 12, 1802

German economist and philosopher (1714-1791) | University of Jena | Güstrow: June 23, 1714 - Frankfurt (Oder): July 17, 1791 | Joachim Georg Darjes

German lawyer, historian and numismatist | Halle (Saale): June 23, 1713 - December 24, 1767 | Johann Friedrich Joachim | Halle (Saale): June 23, 1713 - December 24, 1767

Italian philosopher, rhetorician, historian and jurist | The New Science, De nostri temporis studiorum ratione, De antiquissima Italorum sapientia, De rebus

mathematician, priest | Old University of Leuven, Grand Seminary Mechelen, Our Lady College, Antwerp | Antwerp: June 23, 1612 - Antwerp: December 22, 1660

Dutch astronomer and mathematician | Snell's law, Snell's window | Leiden University | Leiden: June 23, 1580 - Leiden: October 30, 1626 | Willebrord Snellius

Italian mathematician, cartographer and astronomer | Ephemerides coelestium motuum, Novae coelestium orbium theoricae congruentes | University of Bologna

Italian writer and philosopher, titular archbishop of Patrae | Siena: June 23, 1508 - Siena: March 22, 1579 | Alessandro Piccolomini (Stordito Intronato)