Fritz Hähle (Fritz Hahle)

National University of Distance Education, University of Alcalá | February 11, 1997 - Philippines: June 1, 2009 | Eloísa de Castro (Eloisa de Castro)

British inventor | February 11, 1987 - Ankara: February 9, 2003 | Emily Cummins | February 11, 1987 - Ankara: February 9, 2003

German university teacher and economist | London School of Economics and Political Science | February 11, 1972 - Haarlem: January 13, 1973 | Julian Reiss

American inventor | Portsmouth: February 11, 1971 - January 1, 1523 | Chip Yates | Portsmouth: February 11, 1971 - January 1, 1523

Czech philosopher | Comenius University | Prague: February 11, 1971 - January 1, 1154 | Vojtech Pokorny | Prague: February 11, 1971 - January 1, 1154

Argentine-born Uruguayan mathematician | Universidad Nacional de Rosario | Rosario: February 11, 1970 - Amsterdam: July 27, 1917 | Jana Rodriguez Hertz

February 11, 1969 - Simandres: September 25, 1899 | Eyke Hüllermeier (Eyke Hullermeier) | February 11, 1969 - Simandres: September 25, 1899

African-American feminist, author, and atheist activist | New York University Tisch School of the Arts | United States: February 11, 1969 - January 1, 2023

Russian cardiosurgeon | Russian National Research Medical University | Moscow: February 11, 1968 - Athens: January 1, -0128 | Ruben Movsesyan | Moscow

Argentine condensed matter physicist | Lars Onsager Prize (2025), John Simon Guggenheim Memorial Foundation (2002), Institut Universitaire de France (2014)

American statistician | Heinz I. Eulau Award (1995), Fellow of the American Statistical Association (1998), Fellow of the Institute of Mathematical Statistics

Russian businessman | Gubkin University | Atyrau: February 11, 1964 - Russia: May 5, 1992 | Arkady Volozh - Аркадий Юрьевич Волож | Atyrau

Czech philosopher, professor, translator and theologist | Protestant Theological Faculty – Charles University | Prague: February 11, 1963 - London: September 23, 1824

Polish internist and cardiologist | Wrocław Medical University | Wrocław: February 11, 1961 - Philadelphia: January 5, 1899 | Piotr Ponikowski | Wrocław

German mathematician | Bielefeld University | Lage: February 11, 1961 - Rome: November 8, 1941 | Ingo Althöfer (Ingo Althofer) | Lage: February 11, 1961

American astronaut | NASA Distinguished Service Medal (2014) | Rensselaer Polytechnic Institute, Crosby High School, University of Houston–Clear Lake

Russian-Israeli religious philosopher (born 1958) | Machanaim (organization) | Bet morashah bi-Yerushalayim, Bar-Ilan University, Harry Fischel Institute for

Galician philosopher | Santiago de Compostela: February 11, 1956 - June 15, 1912 | María Xosé Agra Romero - María José Agra Romero (Maria Xose Agra Romero)

French chemist | Lorient: February 11, 1955 - Paris: April 7, 1823 | Pierre Le Cloirec | Lorient: February 11, 1955 - Paris: April 7, 1823

Hungarian physicist | Eötvös Loránd University | Budapest: February 11, 1952 - Cesantes: June 14, 2014 | Peter Deák (Peter Deak) | Budapest: February 11

Hungarian politician | Sighișoara: February 11, 1950 - Sfântu Gheorghe: July 28, 1972 | Ferenc Gegesy | Sighișoara: February 11, 1950 - Sfântu Gheorghe

Russian physicist | Medal of the Order "For Merit to the Fatherland", 2nd class, VI Veksler Prize, Russian government prize for science and technology

Latvian physicist | University of Latvia | Vandzene: February 11, 1949 - City of Brussels: February 15, 1849 | Ivars Lācis (Ivars Lacis) | Vandzene: February

scientist | Merited Scientist of the Russian Federation | Moscow State Linguistic University | Odesa: February 11, 1948 - Heidelberg: July 15, 1856 | I︠U︡.

Finnish physicist | February 11, 1947 - June 4, 2009 | Rolf Hernberg | February 11, 1947 - June 4, 2009

American mathematician | Guggenheim Fellowship | Courant Institute of Mathematical Sciences, NYU, New York University | Somerville: February 11, 1947 - January 8, 1989

German physicist | Order of Merit of the Federal Republic of Germany, Officer's Cross of the Order of Merit of the Federal Republic of Germany (2008), Order of

scientist | Honoured Worker of the Oil and Gas Industry of the Russian Federation, Order of Honour | Chuvash-Karamaly: February 11, 1939 - Saint Petersburg

February 11, 1936 - Sebring: May 18, 2017 | Albert Gossauer | February 11, 1936 - Sebring: May 18, 2017

Russian scientist | Order of Honour, USSR State Prize | Moscow Institute of Physics and Technology | Yaroslavl: February 11, 1936 - Meudon: December 23, 1907

American information theorist and cryptologist (1934-2013) | Marconi Prize (1999), IEEE W.R.G. Baker Award (1987), IEEE Alexander Graham Bell Medal (1992)

academic (1933 - 2011), member of the Accademia delle Scienze di Torino since 1984 | Rome: February 11, 1933 - Turin: May 12, 2011 | Sigfrido Leschiutta

University of Milan | February 11, 1932 - Zurich: December 6, 1893 | Augusto Vegezzi | February 11, 1932 - Zurich: December 6, 1893

Romanian politician | Bucharest: February 11, 1932 - Cluj-Napoca: October 3, 1963 | Aureliu Emil Săndulescu (Aureliu Emil Sandulescu) | Bucharest: February

German mathematician | University of Cologne | Cologne: February 11, 1932 - December 14, 2012 | Egbert Harzheim | Cologne: February 11, 1932 - December 14, 2012

German physicist | National Prize of East Germany | Tisá: February 11, 1931 - Dresden: September 19, 1942 | Harry Paul | Tisá: February 11, 1931 - Dresden

German mathematician | University of Münster | Menden (Sauerland): February 11, 1930 - Freiburg im Breisgau: April 2, 2018 | Willi Törnig (Willi Tornig)

German physicist (1930–2016) | Robert Wichard Pohl Prize (1995) | RWTH Aachen University | Gelsenkirchen: February 11, 1930 - December 10, 2016 | Wolfgang

Czech philosopher, translator and university educator | Artis Bohemiae Amicis Medal (2014), Artis Bohemiae Amicis Medal | Charles University | Kovářov

Romanian mathematician (1927-2014) | Babeș-Bolyai University, Moise Nicoară National College | Călacea: February 11, 1927 - Cluj-Napoca: April 17, 2014

Catalan mathematician | University of Barcelona | Barcelona: February 11, 1926 - Barcelona: June 8, 2001 | Griselda Pascual | Barcelona: February 11, 1926

Ph.D. ETH Zürich 1958 | ETH Zurich | February 11, 1924 - January 1, 2004 | Heini Gränicher (Heini Granicher) | February 11, 1924 - January 1, 2004

British analytic and evidentialist philosopher (1923-2010) | Fellow of the Committee for Skeptical Inquiry | There is a God | St Faith's School, St John's

Spanish philosopher (1921-2005) | Grand Cross of the Order of Civil Merit (1968), Grand Cross of the Civil Order of Alfonso X the Wise (2001) | Complutense

French physicist (1921–2014) | Grand Cross of the Legion of Honour, Dannie Heineman Prize (1981), CNRS Gold medal (1970), Holweck Prize (1964), Three

Swiss mathematician (1920-2011) | Kochen–Specker theorem, Specker sequence, Baer–Specker group | ETH Zurich | Zurich: February 11, 1920 - Zurich: December 10, 2011

American physicist (1918–2011) | University of California, Berkeley | Shandong: February 11, 1918 - Moscow: December 4, 2011 | Lawrence H. Johnston

American philosopher (1918-2017) | Columbia University, Harvard University, Mary Institute and St. Louis Country Day School | St. Louis: February 11, 1918

Polish mathematician | Stefan Banach Prize (1952) | Alexiewicz norm | Faculty of Mathematics and Natural Sciences of University of Lviv, Lviv University

Chinese theoretical physicist (1916–1997) | Academician of the Chinese Academy of Sciences (1955) | California Institute of Technology, Tsinghua University

University of Santiago de Compostela | February 11, 1912 - London: July 7, 1957 | Lucía Sagastasoloa (Lucia Sagastasoloa) | February 11, 1912 - London: July 7, 1957

Soviet physicist (1910–1988) | Medal "For the Victory over Japan", Order of the Red Banner, Order of the Badge of Honour, Medal "For Battle Merit", Stalin

German mathematician (1909–1982) | Frederick William University Berlin, University of Münster | Wernigerode: February 11, 1909 - Kiel: October 1, 1982

Russian scientist (1909–2004) | Order of the Red Banner of Labour, USSR State Prize, Medal "For Valiant Labour in the Great Patriotic War 1941–1945"

French mathematician (1909-1984) | Cours Peccot (1937), Guggenheim Fellowship (1948), Cole Prize in Number Theory (1941), Prix Francoeur (1936)

Indonesian novelist and poet (1908-1994) | Bintang Mahaputera Nararya | Dian yang Tak Kunjung Padam, Layar Terkembang | Kweekschool Fort de Kock

German philosopher (1900–2002) | honorary doctor of the University of Warsaw, honorary doctor of the University of Bamberg, honorary doctor of the Charles

Austrian mathematician (1899–1980) | Wilhelm Exner Medal (1969) | University of Vienna | Gossensass: February 11, 1899 - Innsbruck: August 20, 1980

Hungarian-American Jewish physicist and inventor (1898–1964) | Atoms for Peace Award (1959), National Inventors Hall of Fame (1996), Humanist of the Year

Mexican physicist | Guggenheim Fellowship (1927), Knight of the Legion of Honour (1952), Honorary Doctorate from the National Autonomous University of Mexico

American logician (1897–1954) | Post correspondence problem, Post's theorem, Post's inversion formula, Post canonical system, Post's lattice | City College

Russian mathematician (1891–1941) | Order of the Red Banner of Labour (1940) | Moscow State University, Faculty of Physics and Mathematics of Moscow Imperial

president of Uruguay (1884-1959) | Grand Cross Special Class of the Order of Merit of the Federal Republic of Germany (1954) | University of the Republic

February 11, 1877 - Lutherstadt Wittenberg: November 21, 1671 | Birger Fjeld Halvorsen | February 11, 1877 - Lutherstadt Wittenberg: November 21, 1671

Baltic German entrepreneur (1865–1937) | Tallinn: February 11, 1865 - Jena: June 25, 1937 | Edgar Hoeppener | Tallinn: February 11, 1865 - Jena: June 25, 1937

Polish veterinarian, philosopher | Commander of the Order of Polonia Restituta (1927), Commander of the Legion of Honour, Officer of the Order of Polonia

Swedish mathematician (1865–1959) | Wiman's sextic, Wiman-Valiron theory | Lund University | Hammarlöv: February 11, 1865 - Lund: August 13, 1959 | Anders

German physician, explorer and colonial administrator (1863-1937) | Imperial University of Dorpat | Riga: February 11, 1863 - August 23, 1937 | Hermann

British mathematician (1862–1937) | Fellow of the Royal Society | Macaulay brackets, Cohen–Macaulay ring | St John's College, Kingswood School | Witney

Croatian archbishop (1856-1937) | Breznica: February 11, 1856 - Zagreb: December 9, 1937 | Antun Bauer | Breznica: February 11, 1856 - Zagreb: December 9, 1937

American mathematician (1854–1914) | Leipzig University, Harvard University | Beverly: February 11, 1854 - Cambridge: January 14, 1914 | Benjamin Osgood

American inventor and businessman (1847–1931) | New Jersey Hall of Fame (2008), Edward Longstreth Medal (1899), Technical Grammy Award (2010), Matteucci

American scientist (1839–1903) | Foreign Member of the Royal Society (1897), Rumford Prize (1880), Copley Medal (1901) | Gibbs free energy | Heidelberg

Union Army officer, inventor (1839–1902) | National Inventors Hall of Fame (2006) | Monroe County: February 11, 1839 - St. Petersburg: May 26, 1902 | Almon

Russian mathematician (1836-1907) | Moscow State University, Faculty of Physics and Mathematics of Moscow Imperial University, First Moscow gymnasium | Moscow

February 11, 1836 - Kilkenny: December 1, 1805 | Alexander Lagerman | February 11, 1836 - Kilkenny: December 1, 1805

French politician (1833-1899) | Mulhouse: February 11, 1833 - Bagnères-de-Luchon: September 19, 1899 | Auguste Scheurer-Kestner | Mulhouse: February 11, 1833

February 11, 1818 - Amersfoort: March 10, 1966 | Anton Garagašean (Anton Garagasean) | February 11, 1818 - Amersfoort: March 10, 1966

German printer and publisher (1816-1874) | Berlin: February 11, 1816 - Wiesbaden: December 27, 1874 | Ernst Litfaß - Ernst Theodor Amandus Litfaß (Ernst Litfass)

French educationist (1807-1898) | Knight of the Legion of Honour, Bordin Prize (1886) | École Normale Supérieure | Sainte-Foy: February 11, 1807 - January 29, 1898

American chemist (1802-1852) | College of William & Mary | Philadelphia: February 11, 1802 - June 15, 1852 | James Blythe Rogers | Philadelphia: February 11

American abolitionist, author and women's rights activist (1802-1880) | National Women's Hall of Fame (2001) | Hobomok: A Tale of Early Times, An Appeal in

British inventor and photographer (1800–1877) | Royal Medal (1838), Fellow of the Royal Society, Porson Prize, Rumford Medal (1842), Bakerian Lecture (1837)

English chemist, botanist, and geologist (1795-1867) | Bakerian Lecture (1845), Fellow of the Royal Society | Magdalen College | Cirencester: February 11, 1795

German poet | Karlsruhe: February 11, 1780 - Winkel: July 26, 1806 | Karoline von Günderrode (Karoline von Gunderrode | Jon | Ion | Tian)

British inventor (1766-1854) | London: February 11, 1766 - September 3, 1854 | Henry Fourdrinier | London: February 11, 1766 - September 3, 1854

Hungarian mathematician, educationist and astronomer | Debrecen: February 11, 1715 - Debrecen: October 16, 1744 | Györgyi Maróthi (Gyorgyi Marothi)

French writer and philosopher of the enlightenment (1657–1757) | Fellow of the Royal Society | Conversations on the Plurality of Worlds, Bellérophon, De

Scottish mathematician, physicist, and astronomer (1550–1617) | Napier's bones, Rabdology, Location arithmetic, Promptuary, Plaine Discovery of the Whole

Scottish historian and humanist scholar; (1506-1582) | De jure regni apud Scotos | University of St Andrews, University of Paris | Killearn: February 11, 1506