February 9, 1979 - Piancastagnaio: September 18, 1917 | David de la Antonia López (David de la Antonia Lopez) | February 9, 1979 - Piancastagnaio: September 18, 1917

jazz guitarist | Olsztyn: February 9, 1974 - Zurich: December 10, 2011 | Krzysia Górniak (Krzysia Gorniak) | Olsztyn: February 9, 1974 - Zurich: December 10, 2011

Polish activist, pedagogue | Gold Cross of Merit (2013), Bronze Cross of Merit (2001) | Jagiellonian University | February 9, 1971 - Moscow: June 24, 1978

Ph.D. University of California, Berkeley 1999 | University of California, Berkeley | February 9, 1969 - New Haven: January 20, 1915 | Lily Khadjavi | February

Indian American business executive and CEO of Palo Alto Networks | Boston College, Northeastern University, Banaras Hindu University, The Air Force School

belgian-Swiss mathematician | University of Namur | February 9, 1967 - November 20, 2021 | Michel Bierlaire | February 9, 1967 - November 20, 2021 | University of Namur

American chemist | King Faisal International Prize in Science (2015), BBVA Foundation Frontiers of Knowledge Award, Fellow of the American Academy of Arts and

American physicist | Rhodes Scholarship (1984), Richtmyer Memorial Lecture Award (2012), Andrew Gemant Award (2003) | University of Oxford, Magdalen College

Russian mathematician | MSU Faculty of Mechanics and Mathematics, Moscow State University | Moscow: February 9, 1963 - January 1, 2000 | Alexey Tuzhilin

Japanese scientist | University of Tokyo | Osaka Prefecture: February 9, 1961 - Paris: July 15, 1916 | Shin'ichi Nakasuka | Osaka Prefecture: February 9, 1961

Soviet Russian scientist | Order of Friendship | Petrozavodsk State University | Piitsijoki: February 9, 1960 - Petrozavodsk: April 11, 2020 | Victor Maslyakov

American scientist | IBM Fellow | February 9, 1959 - December 13, 1923 | John Maxwell Cohn | February 9, 1959 - December 13, 1923 | IBM Fellow

Born February 9th, 1958, physicist, expert on termodynamic processes in solid materials. | Brno: February 9, 1958 - Atlantic City: March 24, 1915 | Jiří

Latvian politician | Order of the Three Stars | University of Latvia | Riga: February 9, 1956 - Jerusalem: April 16, 2012 | Jānis Vucāns (Janis Vucans)

professor | Shanti Swarup Bhatnagar Prize for Science and Technology (2000), Fellow of the Institute of Mathematical Statistics (1999) | University of Calcutta

researcher | University of Southern California | February 9, 1955 - Arlington: May 4, 2019 | Vartkess A. Apkarian | February 9, 1955 - Arlington: May 4, 2019

Spanish-Argentinian physical chemist | February 9, 1955 - Huyton: June 17, 1916 | Maria C Asensio | February 9, 1955 - Huyton: June 17, 1916

German astronaut | Bavarian Order of Merit, Officer's Cross of the Order of Merit of the Federal Republic of Germany, Ritter-von-Gerstner Medal (1995)

soviet physicist | Government Prize of the Russian Federation, Order of the Badge of Honour, State Prize of the Russian Federation, Order "For Merit to the

Israeli physicist | Tel Aviv University | Tel Aviv: February 9, 1953 - Bengaluru: November 21, 1970 | Eliezer Piasetzky | Tel Aviv: February 9, 1953

Chilean mathematician | George David Birkhoff Prize (2021), Guggenheim Fellowship, Bôcher Memorial Prize (2011), Fellow of the Society for Industrial and

Russian mathematician | Fellow of the American Mathematical Society (2023) | Moscow State University | Krasnodar: February 9, 1949 - Lublin: February 14, 1999

Japanese physicist | Hiroshima University | February 9, 1949 - Kalimpong: October 5, 1955 | Tsutomu Yanagida | February 9, 1949 - Kalimpong: October 5, 1955

Order of Alexander Nevsky, Russian Federation's Government Award (2002), USSR State Prize, Order of Friendship of Peoples, Medal "In Commemoration of the

French philosopher (1948–2019) | Reims: February 9, 1948 - Antony: September 22, 2019 | Monique Castillo - Monique Gisèle Roberte Castillo | Reims: February

Paraguayan lawyer, academic, art critic, curator, museum director and Minister of Culture | Guggenheim Fellowship, Prince Claus Award (1998) | Universidad

American mathematician & academic | Fellow of the Association for Women in Mathematics (2018), Fellow of the American Mathematical Society (2013) | Wesleyan

Professor and philosopher (1944-2010) | University of Canterbury Research Medal (2010) | Arts & Letters Daily, Denis Dutton: A Darwinian theory of beauty

Greek politician | University of Paris, National Technical University of Athens, University of Paris-Sud | Corfu: February 9, 1943 - January 1, 1919

February 9, 1942 - Berlin: April 22, 1978 | Amos Hardy | February 9, 1942 - Berlin: April 22, 1978

Soviet historian of geology, samizdat writer and dissident | Gubkin University | Baku: February 9, 1942 - February 11, 2024 | Georgi Khomizuri | Baku: February

Spanish sociologist | Grand Cross of the Order of Charles III (2021), honorary doctorate from the University of Cambridge (2017), Holberg International

Russian mathematician | Mironenko reflecting function | Akciabrova: February 9, 1942 - Moscow: January 14, 1958 | Vladimir Ivanovich Mironenko | Akciabrova

researcher in meteorology | Patterson Medal (1991) | University of Buenos Aires (1963), McGill University (1972) | Warsaw: February 9, 1939 - Montreal: February 11, 2023

Israeli mathematician | Technion – Israel Institute of Technology | Kiryat Chaim: February 9, 1938 - New York City: July 8, 1993 | Dov Aharonov | Kiryat

American mathematician | Fellow of the American Mathematical Society (2013) | University of California, Berkeley, University at Buffalo, Columbia University

Polish mathematician | Knight of the Order of Polonia Restituta, Medal of the National Education Commission | Silesian University of Technology | Kosorowice

American engineer, inventor, author and radio personality (1936-2018) | California State University, Chico | February 9, 1936 - August 2, 2018 | Bill

Taiwanese politician and chemist | Affiliated Senior High School of National Taiwan Normal University, National Taiwan University | February 9, 1936 - October 28, 2019

Russian mathematician (1934–2020) | Jubilee Medal "In Commemoration of the 100th Anniversary of the Birth of Vladimir Ilyich Lenin" | Novosibirsk State

American composer (1932–2022) | Manhattan School of Music | Baldwin: February 9, 1932 - Massapequa: December 9, 2022 | Herbert Deutsch | Baldwin: February 9

Syrian scholar (1931–2022) | Faculty of Arabic Language Al-Azhar University | Beer Ajam: February 9, 1931 - Istanbul: January 30, 2022 | Jawdat Said | Beer

American mathematician | Fellow of the American Mathematical Society (2013), Fellow of the Institute of Mathematical Statistics (1971) | University of Michigan

Dutch philosopher, politician and university professor (1929–2006) | Sneek: February 9, 1929 - September 11, 2006 | Lolle Nauta | Sneek: February 9, 1929

Romanian mathematician and emeritus professor of the Swiss Federal Institute of Technology (ETH) in Zurich | Romanian Academy of Sciences | Buzău: February 9

February 9, 1928 - Kyiv: August 10, 2020 | Károly Kalik (Karoly Kalik) | February 9, 1928 - Kyiv: August 10, 2020

Japanese mathematician (1927-2008) | Japan Academy Prize (1986), Matsunaga Prize (1970), Order of the Sacred Treasure, 2nd Class (1998)

scientist | Great literary prize of Russia (2011) | Faculty of Philology of Saint Petersburg State University | Karginskaya: February 9, 1926 - January 23, 2025

American theologian | Grawemeyer Awards (1992), honorary doctor of Johannes Gutenberg University Mainz (1968) | Oxford College of Emory University, University of Chicago

German computer scientist | University of Tübingen | Tübingen: February 9, 1924 - Freiburg im Breisgau: January 1, 2009 | Karl Nickel | Tübingen: February

Austrian born French philosopher and journalist (1923-2007) | Paths to Paradise: On the Liberation from Work | Swiss Federal Institute of Technology in

German theologian (1922–2005) | Friedrichsruh: February 9, 1922 - Matrei am Brenner: September 7, 2005 | Arnold Keyserling | Friedrichsruh: February 9, 1922

German chemist (1920-1986) | National Prize of East Germany | Leipzig: February 9, 1920 - Halle (Saale): January 20, 1986 | Friedrich Wolf | Leipzig: February

American mathematician (1919–2008) | Department of Commerce Gold Medal | Columbia University | Yonkers: February 9, 1919 - Danbury: January 27, 2008 | Irene

Estonian philosopher (1911–2002) | Elistvere: February 9, 1911 - Boston: November 22, 2002 | Sri Rama Michael Tamm | Elistvere: February 9, 1911 - Boston

Israeli mathematician (1909-1965) | Israel Prize (1958) | University of Florence | Florence: February 9, 1909 - Florence: August 28, 1965 | Giulio Racah

Greek mathematician (1908–1974) | National Technical University of Athens, Frederick William University Berlin, Varvakeio | İzmir: February 9, 1908

Canadian mathematician (1907–2003) | Sylvester Medal (1997), Companion of the Order of Canada (1997), CRM-Fields-PIMS prize (1995), Henry Marshall Tory Medal

Finnish chemist and director of Alko | Rauma: February 9, 1905 - Helsinki: December 1, 1973 | Manne Nurmia | Rauma: February 9, 1905 - Helsinki: December 1, 1973

American academic | Georgia Tech | Clarksdale: February 9, 1900 - Charlottenburg: June 2, 1920 | W. Harry Vaughan | Clarksdale: February 9, 1900

Swiss physicist and professor at ETH Zurich (1898-1947) | ETH Zurich | Signau: February 9, 1898 - Zurich: December 28, 1947 | Fritz Fischer | Signau: February

Austrian physicist and rocketry pioneer (1895–1930) | International Space Hall of Fame (1976) | University of Innsbruck | Bolzano: February 9, 1895 - Berlin

Dutch physicist (1894–1961) | Utrecht University | Dedemsvaart: February 9, 1894 - Eindhoven: March 6, 1961 | Henk Dorgelo - Hendrik Berend Dorgelo

German mathematician, historian of mathematics and classical philologist (1883-1935) | University of Wrocław | Wrocław: February 9, 1883 - Halle (Saale)

Slovene biologists (1883–1940) | University of Vienna | Ljubljana: February 9, 1883 - Zagreb: January 26, 1940 | Pavel Grošelj (Pavel Groselj) | Ljubljana

Indian yogi and poet (1880–1929) | February 9, 1880 - January 1, 1929 | Bavji Chatur Singhji | February 9, 1880 - January 1, 1929

Hungarian mathematician (1880–1959) | Corvin Wreath (1930), Hungarian Order of Merit (1950), honorary doctorate from Brown University (1933), honorary doctor

geologist (1876–1949) | Novocherkassk: February 9, 1876 - Novocherkassk: February 13, 1949 | Nikolay Abramov | Novocherkassk: February 9, 1876

February 9, 1872 - February 11, 2025 | Karel Hendrik Eduard de Jong | February 9, 1872 - February 11, 2025

Swedish priest | Uppsala University | Stockholm City: February 9, 1870 - April 27, 1936 | Oscar Bensow | Stockholm City: February 9, 1870 - April 27, 1936

U.S. Forest Service ranger | Ohio: February 9, 1868 - Idaho: February 2, 1931 | Ed Pulaski | Ohio: February 9, 1868 - Idaho: February 2, 1931

Polish historian and philosopher (1848-1904) | Warsaw University of Technology | Zavadyntsi: February 9, 1848 - Lviv: April 22, 1904 | Piotr Chmielowski

German teacher and mathematician (1847-1900) | Sulechów: February 9, 1847 - February 18, 1900 | Wilhelm Fiedler | Sulechów: February 9, 1847 - February 18, 1900

German engine designer and industrialist (1846–1929) | Grashof Commemorative Medal (1922), honorary doctorate from the University of Stuttgart, National

German philosopher (1846–1918) | University of Strasbourg | Göppingen: February 9, 1846 - Sierentz: September 1, 1918 | Theobald Ziegler | Göppingen

Italian scientist (1842–1922) | University of Pisa | Lizzanello: February 9, 1842 - Lecce: December 22, 1922 | Cosimo De Giorgi | Lizzanello: February 9

American inventor of the first successful mechanical point writer for Braille (1841–1911) | Bates College | Mechanic Falls: February 9, 1841 - Aurora: January 3, 1911

American inventor (1820–1893) | National Inventors Hall of Fame (2006) | Phillips Academy | Boscawen: February 9, 1820 - Chicago: May 25, 1893 | Moses G.

19th century iconic concocter | Lynn: February 9, 1819 - Lynn: May 17, 1883 | Lydia Pinkham - Lydia Estes | Lynn: February 9, 1819 - Lynn: May 17, 1883

Austrian watchmaker and inventor (1818-1909) | Order of Saint Michael | Sankt Jakob in Haus: February 9, 1818 - Munich: July 2, 1909 | Christian Reithmann

French philologist, literary historian and philosopher (1812–1887) | Knight of the Legion of Honour (1863) | Strasbourg: February 9, 1812 - Strasbourg

British inventor | Knight Bachelor | Hythe: February 9, 1808 - Royal Borough of Kensington and Chelsea: February 12, 1874 | Francis Pettit Smith | Hythe

French chemist and pharmacist | Valle-di-Mezzana: February 9, 1808 - Meudon Bellevue: August 26, 1879 | Antoine Baudoin Poggiale | Valle-di-Mezzana: February

German stenographer and inventor of Gabelsberger shorthand | Wilhelmsgymnasium | Munich: February 9, 1789 - Munich: January 4, 1849 | Franz Xaver Gabelsberger

German naturalist (1781-1826) | University of Bamberg, University of Würzburg | Höchstadt an der Aisch: February 9, 1781 - Munich: March 13, 1826 | Johann

Hungarian mathematician | Wallace–Bolyai–Gerwien theorem | Reformed College in Cluj-Napoca, Bethlen College, Aiud, University of Göttingen | Buia

Danish pharmacist, professor and industrialist (1767–1845) | Copenhagen: February 9, 1767 - Copenhagen: June 21, 1845 | Gottfried Becker | Copenhagen

American Founding Father, philosopher, and political activist (1737–1809) | New Jersey Hall of Fame (2013) | Common Sense, Rights of Man, The Age of Reason

5th-century Greek Neoplatonist philosopher | Short description of astronomical hypotheses, Platonic Theology, Elements of theology, Commentary on Euclid