Leonard Kleinrock

Romanian poker player and mathematician | University of Bucharest | Bucharest: June 13, 1983

Japanese mathematician, jazz pianist (1979-) | Ferris Girls' Junior & Senior High School, University of Tokyo | Osaka Prefecture: June 13, 1979 - Fez: January 1, 1139

Basque writer | Sodupe: June 13, 1977 - Munich: June 7, 1826 | Yoseba Peña (Yoseba Pena) | Sodupe: June 13, 1977 - Munich: June 7, 1826

Medical professor | Harvard Graduate School of Education, Yale School of Public Health, John F. Kennedy School of Government, Yale University | Pittsburgh

Polish historian, genealogist | Polish Cultural Merit Order (2016) | Jagiellonian University | Olsztyn: June 13, 1972 - Washington, D.C.: December 24, 2017

Chinese American physicist | Willis E. Lamb Award (2015), Maria Goeppert-Mayer Award (2006), Packard Fellowship for Science and Engineering (1999), Friedrich

Russian mathematician (born 1966) | Millennium Problems (2010), EMS Prize (1996), Fields medal (2006) | Poincaré conjecture, geometrization conjecture, soul theorem

Latvian scientist | Pushkin Medal | University of Latvia | June 13, 1965 - Vladikavkaz: January 1, 1937 | Igor Gusev | June 13, 1965 - Vladikavkaz: January 1

Ecuadorian Catholic cleric | El Valle: June 13, 1963 - Nashville: March 31, 1939 | Gerardo Miguel Nieves Loja | El Valle: June 13, 1963 - Nashville: March 31, 1939

German mathematician and computer scientist | University of Bonn, Stony Brook University | Munich: June 13, 1962 - Aalborg: February 28, 1970 | Angelika Steger

bioethicist | Vilnius University | Vilnius: June 13, 1959 - Türnitz: April 18, 1864 | Eugenijus Gefenas | Vilnius: June 13, 1959 - Türnitz: April 18, 1864

Brazilian mathematician, logician, and computer scientist | Pontifical Catholic University of Rio de Janeiro, University of Cambridge | Rio de Janeiro: June

Japanese scientist | Fellow of the American Association for the Advancement of Science (2015), Medal with Purple Ribbon | University of Tokyo | June 13, 1959

mathematician | University of Bucharest | Târgu Mureș: June 13, 1958 - Zollikon: August 1, 1972 | Róbert Oláh-Gál (Robert Olah-Gal) | Târgu Mureș: June

Slovene physician, mathematician and politician | Koper: June 13, 1957 - Bologna: January 10, 2013 | Dorijan Marušič (Dorijan Marusic) | Koper: June 13, 1957

Russian mathematician | Ostrowski Prize (1999), Fellow of the American Academy of Arts and Sciences, Shaw Prize (2020), Wolf Prize in Mathematics (2018) | MSU

Russian businessman, mechanical engineer and inventor | Pavlovo: June 13, 1956 - Moscow: October 2, 2014 | Vadim Sorokin | Pavlovo: June 13, 1956 - Moscow

Dutch astronomer and chemist | Spinoza Prize (2000), Karl Schwarzschild Medal (2019), Bourke Award (2001), Niels Bohr International Gold Medal

German mathematician | Fellow of the American Mathematical Society (2018) | Bielefeld University, University of Kiel | Dissen am Teutoburger Wald: June 13

French philosopher and art historian (born 1953) | Humboldt Prize (2007), resident at the Villa Medici, Martin Warnke Medal (1997), Theodor W. Adorno Award

Belarusian scientist | Certificate of Honor of the Council of Ministers of the Republic of Belarus | Faculty of Philology of the Belarusian State University

English scientist | Fellow of the Royal Society of Biology | Winstanley College | Up Holland: June 13, 1952 - Rinteln: November 14, 1747 | Charles Bamforth

American biochemist | Charles S. Mott Prize (1996), North Carolina Award for Public Service (2016), Fellow of the American Academy of Arts and Sciences

Israeli philosopher | Hebrew University of Jerusalem | Jerusalem: June 13, 1945 - Neuilly-sur-Seine: November 9, 1932 | Aviezer Ravitzky | Jerusalem: June 13

Professor of Chemistry at the University of Zaragoza | Echegaray Medal (2025), honorary doctor of the University of Rennes I (2005), King James I Prize for

British mathematician | Fellow of the Institute of Mathematics and its Applications, Fellow of the Learned Society of Wales (2011), Fellow of the Royal

American physicist | honorary doctorate, Guggenheim Fellowship, Edward A. Bouchet Award (2003) | Indiana University, University of Michigan | Franklin: June

Astrobiologist | University of London | Caracas: June 13, 1942 - January 1, 1907 | Julian Chela-Flores | Caracas: June 13, 1942 - January 1, 1907

Italian mathematician and university professor (1941-) | University of Pisa, University of Bologna | Teramo: June 13, 1941 - Budapest: June 9, 2023 | Franco

Dutch academic | Leiden University | Kethel en Spaland: June 13, 1941 - rue d'Assas: June 2, 1881 | Arie Rip | Kethel en Spaland: June 13, 1941 - rue d'Assas

American chemist | William H. Nichols Medal (2000), John Scott Award (2004), American Chemical Society Award for Creative Work in Synthetic Organic Chemistry

American physicist | George M. Kober Medal (1977), Volvo Environment Prize (2000), Leo Szilard Lectureship Award (1988), Banting Medal (1966), MacArthur

Russian paleontologist (1937-2019) | Merited Scientist of the Russian Federation | Moscow State University Faculty of Geology | Dzerzhinsk: June 13, 1937

American engineer and businessman | Iowa State University | June 13, 1933 - Saint-Charles-sur-Richelieu: June 19, 1988 | Thomas J. Russell | June 13, 1933

American physicist (1932–2023) | Guggenheim Fellowship, Dannie Heineman Prize for Mathematical Physics (1994), Fellow of the American Physical Society

American mathematician (1931–2012) | Guggenheim Fellowship (1973), Steele Prize for Seminal Contribution to Research (1998), Euler Medal (2002), Deborah and

Italian physicist (1931-2012) | Rome: June 13, 1931 - Rome: July 31, 2012 | Giorgio Fiocco | Rome: June 13, 1931 - Rome: July 31, 2012

Russian physicist (1929–2018) | Fellow of the American Association for the Advancement of Science (2010), Merited Scientist of the Russian Federation, C.E.K.

American mathematician and economist (1928–2015) | New Jersey Hall of Fame (2024), Steele Prize for Seminal Contribution to Research (1999), John von Neumann

Greek–American physicist | Golden Plate Award (1964), Guggenheim Fellowship (1976), Bingham Medal (1994), Fluid Dynamics Prize (1991), Fellow of the American

Polish philosopher (1924-2016) | honorary doctor of the University of Strasbourg-II (1981), Balzan Prize (2011), honorary doctorate of Tours University (1999)

German physicist (1922-1999) | Hamburg: June 13, 1922 - Karlsruhe: January 2, 1999 | Hermann Gerhard Hertz | Hamburg: June 13, 1922 - Karlsruhe: January 2, 1999

German chemist (1920–2020) | honorary doctor of the University of Rennes I (1976), Liebig Medal (1961), Bavarian Maximilian Order for Science and Art (1984)

American scientist | Ernest Orlando Lawrence Award (1961), Olin Palladium Award (1971), Guggenheim Fellowship (1949) | University of California, Berkeley

Russian physicist (1915–1998) | Lenin Prize (1972) | Saint Petersburg State University | Saint Petersburg: June 13, 1915 - Moscow: April 2, 1998 | Oleg

Indonesian philosopher (1913-1967) | Kedunggubah: June 13, 1913 - Rumah Sakit Sint Carolus: February 11, 1967 | Nicolaus Driyarkara | Kedunggubah: June 13

Polish physicist | Knight of the Order of Polonia Restituta, Medal of the National Education Commission | Buchach State gymnasium | Rozvadiv: June 13, 1913

American experimental physicist, inventor, and professor (1911–1988) | Golden Plate Award (1961), Nobel Prize in Physics (1968), California Scientist of the

Jewish-American physician and psychiatrist (1894-1981) | Thomas William Salmon Medal (1974) | Johns Hopkins University, Humboldt University of Berlin

Swedish chemist (1889–1945) | Björkén Prize (1939) | Helsingborg: June 13, 1889 - April 30, 1945 | Erik Widmark | Helsingborg: June 13, 1889 - April 30

American engineer (1889–1962) | Indianapolis: June 13, 1889 - January 10, 1962 | Richard H. Ranger | Indianapolis: June 13, 1889 - January 10, 1962

Portuguese poet, writer, and philosopher (1888–1935) | The Book of Disquiet | University of Lisbon, University of South Africa | Lisbon: June 13, 1888

Swedish mathematician and painter (1886-1958) | Stockholm University | Arboga city parish: June 13, 1886 - Oscar Parish: April 12, 1958 | Nils Zeilon - Nils

Budapest University of Technology and Economics | June 13, 1884 - Munich: December 10, 2019 | János Sklenár (Janos Sklenar) | June 13, 1884 - Munich

French historian and philosopher (1884-1978) | Knight of the Legion of Honour, Officer of the Legion of Honour, Corresponding Fellow of the Medieval Academy of

Polish painter, philosopher and logician (*1884 – †1944) | Cross of Independence | Jagiellonian University, Jan III Sobieski High School in Kraków

British statistician (1876–1937) | Student's t-test, Student's t-distribution | New College, Winchester College | Canterbury: June 13, 1876 - Beaconsfield

German mechanical engineer, inventor and university teacher (1872-1953) | Karlsruhe: June 13, 1872 - Munich: August 3, 1953 | Friedrich Schwerd | Karlsruhe

Polish inventor (1872–1926) | Mostyska: June 13, 1872 - Tarnów: April 18, 1926 | Jan Szczepanik | Mostyska: June 13, 1872 - Tarnów: April 18, 1926

American physicist (1868-1919) | National Inventors Hall of Fame (2011) | Ohio State University, Harvard University | Richwood: June 13, 1868 - Boston: January 10, 1919

Polish chemist (1862–1936) | Poznań: June 13, 1862 - Lucerne: September 5, 1936 | Augustin Bistrzycki | Poznań: June 13, 1862 - Lucerne: September 5, 1936

Australian scientist | Companion of the Order of St Michael and St George, Knight Bachelor | Sydney: June 13, 1858 - Camberwell: March 30, 1929 | George

Russian philosopher (1855–1920) | Faculty of History and Philology of Moscow University, Moscow State University | Moscow: June 13, 1855 - Moscow: April 3, 1920

Italian mathematician (1855-1943) | Verona: June 13, 1855 - Florence: March 1, 1943 | Vittorio Grünwald (Vittorio Grunwald) | Verona: June 13, 1855

inventor of the steam turbine (1854-1931) | Grashof Commemorative Medal (1904), Faraday Medal (1923), Doctor of Engineering, Doctor of Sciences, Order of Merit

United States Navy admiral (1854-1942) | Elliott Cresson Medal (1891) | Naval War College, United States Naval Academy | Lyons: June 13, 1854 - New York City

Diving engineer (1851–1933) | Wiltshire: June 13, 1851 - January 6, 1933 | Henry Fleuss | Wiltshire: June 13, 1851 - January 6, 1933

Professor, librarian, poet, didactic author, scientist specialized in air navigation. | Livro dos Heróis e Heroínas da Pátria | Acará: June 13, 1843

Order of Saint Anna, 1st class, Order of St. Vladimir, 2nd class | Faculty of Physics and Mathematics of Moscow Imperial University | June 13, 1839 - City

German physicist (1835-1908) | University of Bonn | Düsseldorf: June 13, 1835 - Aachen: October 6, 1908 | Adolf Wüllner - Friedrich Hugo Anton Adolph

Scottish physicist (1831–1879) | Fellow of the Royal Society of Edinburgh, Rumford Medal (1860), Bakerian Lecture (1866), Keith Medal (1869), Scottish

American chemist (1827-1910) | University of Massachusetts Amherst, University of Göttingen | Naumburg: June 13, 1827 - Amherst: September 1, 1910 | Charles

French inventor (1826-1875) | École Nationale Supérieure des Mines de Saint-Étienne | Espalion: June 13, 1826 - Rodez: November 14, 1875 | Benoît

Swiss entomologist (1823-1914) | Order of Saint Stanislaus, Order of the Iron Crown, Order of the Redeemer | Bern: June 13, 1823 - Vienna: August 24, 1914

German teacher and physicist | Michelstadt: June 13, 1823 - Branford: July 29, 2004 | Friedrich Steinhäuser (Friedrich Steinhauser) | Michelstadt: June 13

Baltic German chemist (1822–1894) | University of Göttingen, University of Giessen | Jelgava: June 13, 1822 - Tartu: February 27, 1894 | Carl Schmidt

German philosopher (1805–1892) | Humboldt University of Berlin, University of Kiel, Imperial University of Dorpat | Valmiera: June 13, 1805 - Halle (Saale)

English polymath (1773-1829) | Fellow of the Royal Society (1794), Fellow of the American Academy of Arts and Sciences (1822), Croonian Medal and Lecture

Italian poet and philosopher (1771-1836) | Ravenna: June 13, 1771 - Bologna: December 20, 1836 | Paolo Costa | Ravenna: June 13, 1771 - Bologna: December 20, 1836

Czech violinist and composer | Nová Říše: June 13, 1761 - Vienna: August 6, 1820 | Antonín Vranický (Antonin Vranicky) | Nová Říše: June 13, 1761

chemist | Uppsala University | Larv parish: June 13, 1753 - Uppsala Cathedral Assembly: May 20, 1837 | Johan Afzelius | Larv parish: June 13, 1753 - Uppsala

German journalist and historian | Parowa, Lower Silesian Voivodeship: June 13, 1743 - Altona: December 7, 1804 | Gottlob Benedikt von Schirach | Parowa, Lower

German physicist | Fellow of the American Academy of Arts and Sciences | Horbach: June 13, 1733 - Mannheim: May 3, 1790 | Johann Jakob Hemmer | Horbach: June

Genevan physicist, most known for his theory of gravitation, for his invention of an electric telegraph and his anticipation of the kinetic theory of gases (1724-1803)

Czech physicist, doctor and mathematician | Palacký University Olomouc, Charles University | Lanškroun: June 13, 1595 - Prague: April 10, 1667 | Jan Marek