Christian Ruby

German mathematician | University of Cambridge (1994), University of Erlangen–Nuremberg (2001) | Erlangen: February 2, 1973 - Buenos Aires: November 22, 2001

Russian physicist, Director of the Lebedev Physical Institute since 2015 | MIPT Department of General and Applied Physics | Dolgoprudny: February 2, 1972

computer scientist | Scratch | Harvard Graduate School of Education, Brown University, Tufts University | February 2, 1965 - August 17, 2023 | Natalie Rusk

Islamic Scholar، Educator & Philosopher | Varanasi: February 2, 1964 - Marburg: April 24, 1875 | Syed Aqeel-ul-Gharavi | Varanasi: February 2, 1964 - Marburg

Polish historian and sociologist | Fellow of Collegium Invisibile, Knight of the Order of Polonia Restituta (2013), Silver Medal for Merit to Culture –

Director of the Office of Science and Technology Policy | IEEE Fellow | Texas Tech University, California Institute of Technology, Monterey High School | New

American academic | Yale University, Cornell University School of Industrial and Labor Relations | Buffalo: February 2, 1959 - Orange: August 30, 1941

Thai diplomat, ambassador, ITLOS judge | Harvard Law School, University of Cambridge, University of Wales | Nan: February 2, 1958 - Saint Petersburg: January 1, 1919

Swiss industrial engineer | European Inventor Award (2017) | The Innovation Factory | La Chaux-de-Fonds: February 2, 1954 - January 1, 1919 | Elmar Mock | La

American cryptographer and cryonicist | Feynman Prize in Nanotechnology (1998), National Inventors Hall of Fame (2011), National Cyber Security Hall of Fame

Moscow State University | February 2, 1951 - Kfar Saba: March 21, 1998 | G. V. Belyi | February 2, 1951 - Kfar Saba: March 21, 1998 | Moscow State University

Japanese physicist | Imperial Prize of Japan Academy (2009) | University of Tokyo | Tsuchiura: February 2, 1948 - January 30, 2019 | Tōru Eguchi (Toru Eguchi)

French physicist | CNRS silver medal (1995), Officer of the National Order of Merit (2015) | Saint-Gildas-de-Rhuys: February 2, 1946 - Prostějov: May 6, 1957

physicist - theorist | Alexander Davydov Prize, State Prize of Ukrainian SSR in Science and Technology (1977) | Faculty of Physics of the Taras Shevchenko

Czech physicist (*1945) | Charles University | Nová Paka: February 2, 1945 - The Hague: August 30, 1959 | Jiří Horáček (Jiri Horacek) | Nová Paka

Manó Beke Prize (2011) | Babeș-Bolyai University | February 2, 1944 - January 1, 1310 | Ferenc Olosz | February 2, 1944 - January 1, 1310 | Manó Beke Prize (2011)

Belgian philosopher (1943–2015) | Couillet: February 2, 1943 - Avignon: November 9, 2015 | Marc Richir - Marc Jean Charles Camille Richir | Couillet

American poet (1941-2015) | Norwalk: February 2, 1941 - Port Charlotte: April 2, 2015 | Bob Grumman | Norwalk: February 2, 1941 - Port Charlotte: April 2, 2015

German mathematician | University of Hamburg | Lübz: February 2, 1939 - January 1, -0288 | Manfred Knebusch | Lübz: February 2, 1939 - January 1, -0288

American academic | Irving Kristol Award (2012), Jefferson Lecture (2009), Guggenheim Fellowship, Harvard Centennial Medal, Harvard Centennial Medal (2003)

American physicist | Fellow of the American Physical Society, Sakurai Prize (2010) | Massachusetts Institute of Technology, Luther High School North | Chicago

Soviet physicist (1935–2024) | Order of the Rising Sun (2016), Hero of Labour of the Russian Federation (2020), State Prize of the Russian Federation (2002)

French mathematician (1935–1989) | Science Faculty of Paris, University of Paris, École Normale Supérieure | Le Havre: February 2, 1935

Belgian philosopher (1929-2003) | Saint-Hubert: February 2, 1929 - Villeneuve-Saint-Georges: January 5, 2003 | Albert Chapelle | Saint-Hubert: February 2, 1929

Dutch philosopher | Hilvarenbeek literary award (1969), Anne Frank Prize (1965), P.C. Hooft Award (1978) | Radboud University Nijmegen | Udenhout: February 2

British physicist | St Dunstan's College, University of London | Catford: February 2, 1925 - Dorking: July 25, 2009 | George Weston | Catford: February 2, 1925

Italian politician (1924-2007) | Alessandria: February 2, 1924 - June 8, 2007 | Luciano Lenti | Alessandria: February 2, 1924 - June 8, 2007

American physicist (1922-2010) | NASA Distinguished Service Medal (1969), NASA Exceptional Scientific Achievement Medal (1962) | University of Massachusetts Amherst

Latvian scientist | Melluži: February 2, 1922 - Jūrmala: March 3, 2008 | Arturs Eižens Zalsters (Arturs Eizens Zalsters) | Melluži: February 2, 1922

Israeli mathematician (1922–2025) | The EMET Prize for Art, Science and Culture (2007), honorary doctorate from University of Nantes (1990), Israel Prize

American inventor (1920-1999) | Akron: February 2, 1920 - Fort Wayne: February 23, 1999 | George Sweigert | Akron: February 2, 1920 - Fort Wayne: February 23, 1999

February 2, 1917 - Málaga: November 10, 1890 | Hugo Collumbien | February 2, 1917 - Málaga: November 10, 1890

Dutch teacher (1916-1978) | February 2, 1916 - June 28, 1978 | Paul Eduard Lepoeter | February 2, 1916 - June 28, 1978

Japanese farmer and philosopher (1913-2008) | Ramon Magsaysay Award (1988) | The One-Straw Revolution | Iyo: February 2, 1913 - Iyo: August 16, 2008 | Masanobu

Indian art historian and botanist (1909-1986) | Padma Bhushan in science & engineering | University of the Punjab | Zira: February 2, 1909 - Kharar: March 3, 1986

Russian-born American writer and public philosopher (1905–1982) | Prometheus Award - Hall of Fame (1987), Prometheus Award - Hall of Fame (1983) | Atlas

Dutch mathematician and historian of mathematics (1903–1996) | Cothenius Medal (1969), honorary doctor of the University of Athens (1961), Fellow of the

American mathematician (1897–1996) | United States Air Force award or decoration (1958), Federal Woman's Award (1964), Fellow of the American Academy of Arts

Polish mathematician (1896–1980) | doctor honoris causa from the University of Paris (1967), Work Flag Order, 2nd class, Commander of the Order of Polonia

German metallurgist (1885-1956) | Saint Petersburg: February 2, 1885 - Göttingen: October 2, 1956 | Georg Masing | Saint Petersburg: February 2, 1885

British mathematician (1882–1948) | Fellow of the Royal Society (1933), Fellow of the Royal Society of Edinburgh (1903), Makdougall Brisbane Prize (1918)

German mathematician (*1881 – †1953) | Richard Lieben prize (1915) | Herglotz–Zagier function, Herglotz-Noether theorem | Ludwig-Maximilian-University

Catholic archbishop | University of Vienna, Pontifical Gregorian University | Solkan: February 2, 1876 - Krk: June 21, 1966 | Josip Srebrnič (Josip Srebrnic)

Italian chemist and biologist | University of Naples Federico II | Krasnoyarsk: February 2, 1873 - Naples: April 17, 1960 | Maria Bakunin | Krasnoyarsk

French novelist and essayist | Commander of the Legion of Honour (1933), Vitet Prize (1914) | Alençon: February 2, 1871 - Marseille: January 1, 1942 | Gaston

inventor (1868-1957) | Cascadilla School | Angel Island: February 2, 1868 - Rye: June 22, 1957 | Charles Brady King | Angel Island: February 2, 1868 - Rye: June 22, 1957

German philosopher, psychologist, educationist and writer (1866-1943) | Damm: February 2, 1866 - Munich: July 3, 1943 | Adolf Dyroff | Damm: February 2, 1866

German automobile pioneer | Groß Börnecke: February 2, 1864 - January 1, 1943 | Max Wenkel | Groß Börnecke: February 2, 1864 - January 1, 1943

German mathematician (1860–1924) | Order of the Red Eagle 4th Class | Martin Luther University Halle-Wittenberg, University of Berlin | Neustadt (Dosse)

Russian mathematician (1856-1931) | Faculty of Physics and Mathematics of Moscow Imperial University | Moscow: February 2, 1856 - Saint Petersburg: March 20, 1931

Austrian mathematician (1849–1903) | Gegenbauer polynomials | Humboldt University of Berlin, University of Vienna | Asperhofen: February 2, 1849

Ukrainian physicist (1845–1918) | University of Vienna, Barbareum, University of Strasbourg | Hrymailiv: February 2, 1845 - Smíchov: January 31, 1918 | Ivan

Polish-Russian mathematician | Sokhotski–Plemelj theorem, Casorati–Weierstrass theorem | Faculty of Physics and Mathematics of the Saint Petersburg

German librarian and botanist (1839-1911) | University of Kiel | Elsdorf-Westermühlen: February 2, 1839 - Wyk auf Föhr: July 18, 1911 | Rudolf von

Austro-Hungarian chemist and photographer (1838-1901) | Szombathely: February 2, 1838 - Vienna: October 18, 1901 | Josef Székely (Josef Szekely)

English inventor (1829–1909) | Islington: February 2, 1829 - South Norwood: August 14, 1909 | William Stanley | Islington: February 2, 1829 - South Norwood

Spanish politician | University of Valencia | Camarillas: February 2, 1827 - Madrid: September 9, 1882 | Tomás Ariño y Sancho (Tomas Arino y Sancho)

Moscow Theological Academy | February 2, 1827 - Kharkiv: June 12, 1990 | Aleksey Viktorov | February 2, 1827 - Kharkiv: June 12, 1990

French inventor | Beuvardes: February 2, 1816 - Soissons: January 19, 1892 | Jean-Étienne Lallier (Jean-Etienne Lallier) | Beuvardes: February 2, 1816

Italian mathematician (1802-1849) | Legnano: February 2, 1802 - Padua: April 23, 1849 | Carlo Conti | Legnano: February 2, 1802 - Padua: April 23, 1849

professor of philosophy (1797-1867) | Harvard University, Harvard Divinity School, Dartmouth College | Rowley: February 2, 1797 - Burlington: November 26, 1867

Roman mathematician and university teacher (1797-1872) | Martin Luther University Halle-Wittenberg | Halle (Saale): February 2, 1797 - Greifswald: July 7, 1872

English mathematician and geologist (1793-1866) | Wollaston Medal (1850), Fellow of the Royal Society (1837) | Peterhouse, University of Cambridge | Kingston

French mathematician (1786-1856) | Knight of the Legion of Honour (1821) | Cauchy–Binet formula, Binet equation, Binet–Cauchy identity, Binet’s theorem

1782-1853; alleged Scottish inventor of the adhesive postage stamp | Arbroath: February 2, 1782 - Dundee: May 26, 1853 | James Chalmers | Arbroath: February 2

Italian pharmacist and chemist (1781-1864) | Castagnole Piemonte: February 2, 1781 - Rome: January 1, 1864 | Pietro Peretti | Castagnole Piemonte: February 2

German naturalist and botanist | Pour le Mérite for Sciences and Arts order, Fellow of the Royal Society, Pour le Mérite | University of Göttingen

French inventor (1766-1835) | University of Montpellier | Grande-Rivière: February 2, 1766 - Paris: December 18, 1835 | Pierre-Alexandre Lemare

Russian mathematician | Order of Saint Anna, 2nd class, Order of St. Vladimir, 4th class | Herzen University, St. Vladimir Seminary Feofanovskaya | Osipovo

Italian astronomers | Saorge: February 2, 1714 - Rome: July 4, 1794 | Giovanni Battista Audiffredi | Saorge: February 2, 1714 - Rome: July 4, 1794

German writer, dramaturge, linguist and literary theorist as well as professor of poetics, logic and metaphysics (1700–1766) | University of Königsberg

February 2, 1648 - Ryde: March 14, 1901 | Samuel Strimesius | February 2, 1648 - Ryde: March 14, 1901

English physician, philosopher, and naturalist | Harveian Oration (1706) | Magdalen Hall | Shepton Mallet: February 2, 1619 - London: April 24, 1707 | Walter

Polish alchemist, philosopher, and medical doctor | Jagiellonian University | Łukowica: February 2, 1566 - Kravaře: January 1, 1636 | Michał Sędziwój

German physicist (1552-1616) | Martin Luther University Halle-Wittenberg | Bad Mergentheim: February 2, 1552 - Lutherstadt Wittenberg: October 2, 1616