Hélène Courtois (Helene Courtois)

Spanish and Uruguayan mathematician | Sadosky Prize (2022) | McGill University, University of the Republic | Blanes: February 25, 1987 - Frederiksberg: January 5, 1914

German historian | Chemnitz University of Technology, Leipzig University, Charles University | February 25, 1984 - Santa Fe: November 10, 2012 | Martin Munke

Moscow State Law University | February 25, 1975 - Singapore General Hospital: March 23, 2015 | Ilya Mikhailovich Rassolov | February 25, 1975 - Singapore

Crystal owl | Faculty of Applied Mathematics - Control Processes, St. Petersburg State University | February 25, 1975 - November 1, 2024 | Mikhail Mun

Iranian stem cell and developmental biologist, director of the Royan Institute for Stem Cell Biology and Technology | UNESCO-Equatorial Guinea International

Israeli mathematician | Anna and Lajos Erdős Prize in Mathematics (2006), Oberwolfach Prize (2003) | Tel Aviv University | Bucharest: February 25, 1969

Danish researcher, theoretical chemistry | Aarhus University | Denmark: February 25, 1964 - Perugia: October 16, 1968 | Henrik Koch | Denmark: February 25

Finnish author and philosopher | February 25, 1960 - Göttingen: May 28, 1773 | Tuomas Nevanlinna | February 25, 1960 - Göttingen: May 28, 1773

Ukrainian mathematician | Guggenheim Fellowship (2002), Jeffery–Williams Prize (2010) | National University of Uzbekistan, National University of Kharkiv

Swiss physicist | Fellow of the American Physical Society, Marcel Benoist Prize (2010), Fellow of the Institute of Physics, King Faisal International Prize in

Macedonian academic | Skopje: February 25, 1955 - April 12, 1883 | Ljupčo Kocarev (Ljupco Kocarev) | Skopje: February 25, 1955 - April 12, 1883

Russian mathematician | Moscow State Institute of Electronics and Mathematics, Steklov Institute of Mathematics | February 25, 1955 - Tashkent: January 1, 1921

American logician | Macalester College, University of Michigan | Spring Green: February 25, 1954 - Riom: August 6, 1789 | Anthony Weston | Spring Green

Russian scientist | Merited Scientist of the Russian Federation | Dagestan State University | Bezhta: February 25, 1953 - February 25, 2012 | Madzhid Khalilov

Soviet and Russian physicist | Medal of the Order "For Merit to the Fatherland", 2nd class, Stolletov Prize (2002), VL Ginzburg Gold Medal (2016) | Ural State University

Spanish sociologist | Pontifical University of Saint Thomas Aquinas, Pontifical Gregorian University, Autonomous University of Barcelona, Metropolitan Seminary

Belarusian scientist | Minsk State Architecture and Civil Engineering College, Belarusian National Technical University | Minsk: February 25, 1947 - Minsk

French philosopher (1947–1998) | Beaumont-le-Roger: February 25, 1947 - Paris: March 3, 1998 | Marc Sautet | Beaumont-le-Roger: February 25, 1947 - Paris

Russian scientist | Order of Friendship (2016), Legion of Honour (2017) | Moscow State University | Riga: February 25, 1946 - Moscow: May 12, 2018 | Igor Bunin

neuroscientist and professor at the University of Southern California | Jean-Louis Signoret Prize (2004), Neuronal Plasticity Prize (1997), Princess of

Russian physicist | Russian Federation Presidential Certificate of Honour, Order "For Merit to the Fatherland", 4th class, Order of Honour, Order of Friendship

Canadian mathematician | Acfas Urgel-Archambeault Award (1982) | Université de Montréal | Saint-Majorique-de-Grantham: February 25, 1943 - Tokyo: July 19, 1909

Spanish clown | Sant Adrià de Besòs: February 25, 1942 - Valencia: December 29, 2021 | Lluís Raluy i Tomàs (Lluis Raluy i Tomas) | Sant Adrià de Besòs

German engineer, Professor for Food Process Engineering | Berlin: February 25, 1939 - Znojmo: January 1, 1704 | Helmar Schubert | Berlin: February 25, 1939

American mathematician | Oswald Veblen Prize in Geometry (1971), NAS Award for Scientific Reviewing (1995), Fellow of the American Mathematical Society (2013)

Czech philosopher and translator (1930–1994) | Faculty of Arts, Palacký University of Olomouc | Milkov: February 25, 1930 - Šternberk: July 8, 1994 | Jan

German physicist (1929–2008) | National Prize of East Germany | Leipzig University | Penig: February 25, 1929 - Leipzig: September 28, 2008 | Harry Pfeifer

Israeli writer, composer and philosopher (1928–2014) | Tel Aviv University | Sofia: February 25, 1928 - Tel Aviv: August 30, 2014 | Shlomo Kalo | Sofia

Turkish mathematician | Osaka University, University of Hamburg, Nagoya University | Tokyo City: February 25, 1926 - Ankara: February 9, 2003 | Masatoshi

Soviet engineer (1923-2003) | Order of Friendship of Peoples, Order of the October Revolution, Order of the Red Star, Hero of Socialist Labour, Order of the

Swiss physicist (1923-2019) | ETH Zurich | Zurich: February 25, 1923 - Schneisingen: August 29, 2019 | Jean-Pierre Blaser | Zurich: February 25, 1923

February 25, 1922 - Kyiv: August 19, 2020 | Günther Haufe (Gunther Haufe) | February 25, 1922 - Kyiv: August 19, 2020

scientist | Mykhailo Hrushevskyi Kolomyia gimnazium | Kornich: February 25, 1920 - Deliatyn: August 5, 1984 | Mykhaylo Klapchuk | Kornich: February 25, 1920

Austrian neuroscientist (1919–2015) | honorary doctorate from the Université de Montréal, The VIZE 97 Prize (1999), Fellow of the American Academy of Arts

American scholar (1928–2020) | Fellow of the American Association for the Advancement of Science | Harvard University | February 25, 1917 - April 14, 2020

Soviet physicist | Order of the Red Banner of Labour, Hero of Socialist Labour, Stalin Prize, State Stalin Prize, 1st degree, USSR State Prize (1953), Lenin

US physician and writer (1908-2001) | Johns Hopkins University, Duke University | Washington, D.C.: February 25, 1908 - Jacksonville: May 17, 2001 | Frank G.

Polish scientist | Order of Friendship of Peoples, Medal of the 10th Anniversary of People's Poland, Knight of the Order of Polonia Restituta (1952), Work Flag

German businessman (1904–1995) | Knight Commander's Cross of the Order of Merit of the Federal Republic of Germany (1989) | Wiesloch: February 25, 1904

Japanese mathematician (1902-1977) | Order of the Rising Sun, 1st class (1978), Japan Academy Prize (1949), Order of Culture (1969), Order of the Sacred

American film star; member of the Marx Brothers (1901–1979) | Manhattan: February 25, 1901 - Palm Springs: November 30, 1979 | Zeppo Marx | Manhattan

Finnish chemist | February 25, 1901 - August 31, 1979 | Seth Silander | February 25, 1901 - August 31, 1979

German chemist (1896–1978) | Commander's Cross of the Order of Merit of the Federal Republic of Germany (1966), Liebig Medal (1931) | Technische Universität Berlin

Hungarian theologian and philosopher (1888-1951) | Corvin Wreath (1940) | University of Jena, University of Berlin, Franz Joseph University, Protestant

American chemist (1880–1952) | Patterson-Crane Award (1951), Priestley Medal (1949), William H. Nichols Medal (1943) | Harvard College, Tufts University

Gujarati scholar, writer, educationist and editor (1869-1942) | Apno Dharm | University of Mumbai | Ahmedabad: February 25, 1869 - April 7, 1942 | Anandshankar

Lithuanian-American chemist (1869-1940) | William H. Nichols Medal (1938), Willard Gibbs Award (1931) | S. M. Kirov Military Medical Academy, Columbia University

Italian philosopher (1866-1952) | Gautieri Award (1906), doctor honoris causa from the University of Paris (1948), Serena Medal (1927) | University of Naples Federico II

German chemist and amateur archaeologist | Martin Luther University Halle-Wittenberg | Gdańsk: February 25, 1862 - Frankfurt: September 6, 1932 | Waldemar

Zionist politician (1861-1936) | University of Paris | Bessarabia: February 25, 1861 - Tel Aviv: September 23, 1936 | Meir Dizengoff - Меер

Spanish astronomer | February 25, 1859 - October 21, 1935 | Ángel Rodríguez de Prada (Angel Rodriguez de Prada) | February 25, 1859 - October 21, 1935

February 25, 1856 - Lucerne: October 25, 1866 | William Zebina Bennett | February 25, 1856 - Lucerne: October 25, 1866

German historian (1856–1915) | honorary doctorate from Columbia University, honorary doctorate of the University of Oslo | Ludwig-Maximilian-University in

Japanese pharmacologist | Order of the Sacred Treasure, 2nd Class | Osaka Prefecture: February 25, 1854 - January 1, 1927 | Tanba Keizō (Tanba Keizo) | Osaka

Romanian sociologist (1849-1923) | Alexandru Ioan Cuza University | February 25, 1849 - April 16, 1923 | Constantin Dimitrescu-Iași (Constantin

Polish historian and academician | Martin Luther University Halle-Wittenberg | Leszno: February 25, 1848 - Berlin: January 1, 1917 | Stanisław Karwowski

Canadian philosopher (1847-1939) | Fellow of the Royal Society of Canada | University of Edinburgh | Glasgow: February 25, 1847 - Kingston: January 27, 1939

German physicist (1843–1928) | University of Marburg | Hanau: February 25, 1843 - Marburg: September 5, 1928 | Wilhelm Feussner | Hanau: February 25, 1843

Confederate States Army veteran of the American Civil War, a prosthetist and founder of J E Hanger Inc (1843–1919) | Churchville: February 25, 1843 - June 9, 1919

German philosopher (1840–1912) | Leipzig University, Martin Luther University Halle-Wittenberg | Lwówek Śląski: February 25, 1840 - Jena: January 14, 1912

American amateur botanist and professor of analytical chemistry (1836-1913) | Hebron: February 25, 1836 - Ashford: February 19, 1913 | Oscar Dana Allen

Spanish naval historian | Order of Saint Hermenegild, Grand Cross of Naval Merit with white badge (1892), Order of Alfonso XII, Order of Charles III, Order of

British engineer (1829-1915) | Knight Commander of the Order of the Bath | Chatham: February 25, 1829 - London: June 16, 1915 | Nathaniel Barnaby | Chatham

British mathematician (1827–1903) | Fellow of the Royal Society | Trinity College, King's College London | Marylebone: February 25, 1827 - Berkswell: January 11, 1903

German botanist (1792–1860) | University of Jena | Haselau: February 25, 1792 - Hamburg: February 12, 1860 | Johann Georg Christian Lehmann | Haselau

Danish philosopher | Copenhagen: February 25, 1769 - Copenhagen: July 10, 1823 | Otto Horrebow | Copenhagen: February 25, 1769 - Copenhagen: July 10, 1823

German linguist | Demidov Prize (1845) | Leipzig University | Szczecin: February 25, 1768 - Saint Petersburg: January 30, 1843 | Friedrich von Adelung

Italian physicist, architect and music theorist | Treviso Cathedral, Capitular Library of Treviso, Sant'Andrea Apostolo, Sant'Andrea in Riva's church, San

German philosopher | Martin Luther University Halle-Wittenberg, University of Altdorf | Kirchensittenbach: February 25, 1671 - Magdeburg: December 9, 1729

Swiss mathematician (1585-1665) | Davos: February 25, 1585 - Zurich: March 26, 1665 | Johannes Ardüser (Johannes Arduser) | Davos: February 25, 1585 - Zurich

Italian polymath (1564–1642) | International Space Hall of Fame (1991) | Galilean transformation, equations for a falling body | University of Pisa | Pisa

German reformer (1497–1560) | University of Tübingen, Heidelberg University | Bretten: February 25, 1497 - Lutherstadt Wittenberg: April 29, 1560 | Philipp

Persian astronomer (1201–1274) | Tusi couple, Akhlaq-i Nasiri, Zij-i Ilkhani, Tajrīd al-Iʿtiqād, Sharh al-isharat, Sayr wa Suluk | Tus: February 25, 1201