Frank Leymann

German mathematician | AWM Dissertation Prize (2020), European Prize in Combinatorics (2021) | University of Bonn, Stanford University

September 25, 1986 - Hamburg: June 25, 1995 | Andreas G. Weiß (Andreas G. Weiss) | September 25, 1986 - Hamburg: June 25, 1995

French mathematician and YouTuber | D'Alembert Prize (2018) | Aix-Marseille University, École Normale Supérieure, Aix-Marseille University (2012) | La

Icelandic politician | University of Iceland, Reykjavík Junior College | Poznań: September 25, 1980 - Acará: October 14, 1887 | Pawel Bartoszek | Poznań

Venezuelan chemist | Caracas: September 25, 1979 - April 21, 1947 | Ybsen Lucero | Caracas: September 25, 1979 - April 21, 1947

French philosopher, jurist and diplomat | Olivier Debouzy Prize (2012), Prix du Maréchal-Foch (2013) | Pithiviers: September 25, 1978 - New York City: August 9, 1932

researcher | Gottfried Wilhelm Leibniz Prize (2020) | Kiel: September 25, 1972 - Kharkiv: April 14, 2003 | Markus Reichstein | Kiel: September 25, 1972

Spanish bioengineer | University of Barcelona | Barcelona: September 25, 1966 - Karachi: December 21, 2021 | Albert Folch Folch | Barcelona: September 25, 1966

Faculty of Medicine of Ternopil National Medical University | September 25, 1965 - Gentofte: May 20, 1946 | Viktor Tverdokhlib | September 25, 1965

mathematician | Whitehead Prize (2002) | University of Utah, University of Pisa | Pisa: September 25, 1965 - Cambridge: September 26, 2020 | Alessio Corti

Brazilian medical researcher | King's College London, Wright State University, Federal University of Pelotas | Porto Alegre: September 25, 1963 - Leiden

Kharkov Musical School, Kharkiv Conservatory | September 25, 1962 - Donetsk: August 10, 2012 | Vasyl Shchepakin | September 25, 1962 - Donetsk: August 10, 2012

Russian philosopher | Medal of the Order "For Merit to the Fatherland", 2nd class, Order of Friendship | Ural State University | Satka: September 25, 1958

French mathematician (1957–2022) | Cours Peccot (1985), CNRS bronze medal, Mergier Bourdeix Prize, Max Planck Research Award (1996), Stefan Bergman Prize

American computer scientist | Dan David Prize (2002), ACM Fellow (1994), Grace Murray Hopper Award (1989) | Massachusetts Institute of Technology | Baltimore

Russian-American mathematician | Guggenheim Fellowship (2013), Cole Prize in Algebra (2012), Saint Petersburg Mathematical Society, Fellow of the American

Russian mathematician | Honoured Higher education employee of the Russian Federation (2013), Honoured Worker of Higher Professional Education of the Russian

American author and activist (1952–2021) | American Book Awards (1991) | Ain't I a Woman?, All About Love: New Visions, Bone Black: Memories of Girlhood

Estonian politician | Tallinn University | September 25, 1951 - November 22, 2014 | Peeter Lorents | September 25, 1951 - November 22, 2014 | Tallinn University

Spanish mathematician | William Christian Krumbein Medal (2006), IAMG Distinguished Lectureship (2007), John Cedric Griffiths Teaching Award (2008) | Free

French physicist | Supélec | September 25, 1951 - Inverness: May 15, 2010 | Patrick Tabeling | September 25, 1951 - Inverness: May 15, 2010

Argentine social scientist and philosopher | University of Buenos Aires | Buenos Aires: September 25, 1950 - June 4, 2022 | Tomás Várnagy (Tomas Varnagy)

Developmental and Neurobiologist (1949-2019) | University of Basel | Braunau am Inn: September 25, 1949 - June 13, 2019 | Heinrich Reichert | Braunau am Inn

Educator from Ukraine, professor | Order of Princess Olga, 3rd class | National Pedagogical Dragomanov University | Volhynia: September 25, 1948 - Cary: April 10, 2017

School of Physics and Technology of University of Kharkiv | September 25, 1948 - January 2, 1980 | Vladimir Kuklin | September 25, 1948 - January 2, 1980

Physicist | Order of Honour, USSR State Prize (1985), Medal of the Order "For Merit to the Fatherland", 2nd class, Order of Friendship (2015), Lomonosov Prize

American mathematician (1947–2020) | University of California, Los Angeles | San Francisco: September 25, 1947 - Pong: February 18, 2020 | Peter Montgomery

American scientist and politician | IEEE James H. Mulligan, Jr. Education Medal (2018) | September 25, 1947 - Uppsala Cathedral Assembly: January 28, 1999

Austrian mathematician | Ferran Sunyer i Balaguer Prize (1994) | University of Vienna | Vienna: September 25, 1943 - Walter Reed Army Medical Center: February 8, 1957

British mathematician | University of Cambridge | Montrose: September 25, 1938 - Salem: September 11, 1981 | Derek John Scott Robinson | Montrose: September

Czech physical chemist | Czech Medal of Merit (2017) | Prague: September 25, 1938 - Prague: January 1, 2024 | Jaroslav Šesták (Jaroslav Sestak) | Prague

September 25, 1937 - Nancy: December 26, 2024 | Claude Tedguy | September 25, 1937 - Nancy: December 26, 2024

Iranian pharmaceutical chemist (1937–2016) | Columbia University College of Pharmaceutical Sciences, University of Tehran | Tehran: September 25, 1937 - June 15, 2016

physicist | I. I. Rabi Award (1984) | Brigham Young University, University of Colorado | Mapleton: September 25, 1936 - December 14, 2024 | David W. Allan

Spanish economist | honorary doctorate from University of Bordeaux-IV (2003), honorary doctorate from University of La Réunion (2002), honorary doctorate of

French mathematician (1935–2006) | Prix Ampère (1989) | University of Paris, École Normale Supérieure | La Tronche: September 25, 1935 - Saint-Raphaël

British mathematician | Fellow of the Royal Society, Senior Whitehead Prize (1993), Fellow of the American Mathematical Society (2013), De Morgan Medal (2007)

Israeli political theorist | Haifa: September 25, 1929 - April 23, 1997 | Mordechai Nessyahu | Haifa: September 25, 1929 - April 23, 1997

British theorist, consultant, and professor (1926-2002) | honorary doctorate of the University of Valladolid, Frederick W. Lanchester Prize (1966) | University

Soviet and Russian scientist | Merited Scientist of the Russian Federation, Medal "For Battle Merit", Order of the Patriotic War 2nd class, Order of the Badge of Honour

RSS thinker and co-founder of the political party Bharatiya Jana Sangh | Chhatrapati Shahu Ji Maharaj University | Mathura district: September 25, 1916

Israeli writer (1911-1975) | Riebiņi: September 25, 1911 - Tirat Zvi: November 5, 1975 | Meir Or | Riebiņi: September 25, 1911 - Tirat Zvi: November 5, 1975

Slovene philosopher, politician and political commissar (1910-1976) | Prešeren Award | Trieste: September 25, 1910 - Ljubljana: February 11, 1976 | Boris

Canadian scientist (1909-1993) | Officer of the Order of the British Empire, Companion of the Order of Canada, Fellow of the Royal Society of Canada, honorary

Slovenian physicist (1908-1993) | Prešeren Award, Bingham Medal (1970), Polymer Physics Prize (1972), Bourke Award (1960), Kidrič Prize (1983) | Humboldt

September 25, 1906 - Paris: February 28, 1810 | István Novák (Istvan Novak) | September 25, 1906 - Paris: February 28, 1810

Finnish physicist (1905-1986) | Vörå: September 25, 1905 - Helsinki: December 9, 1986 | Lennart Simons | Vörå: September 25, 1905 - Helsinki: December 9, 1986

South Asian Islamic scholar, Founder of Jamaat-e-Islami (1903–1979) | King Faisal International Prize in Service to Islam (1979) | Caliphs and Kings, Tafhim-ul-Quran

Belgian physicochemist | Francqui Prize (1938) | Free University of Brussels | Brussels metropolitan area: September 25, 1896 - March 30, 1977 | Jacques Errera

Swedish mathematician (1893–1985) | doctor honoris causa from the Pierre and Marie Curie University (1977), honorary doctor of Stockholm University (1964)

Russian Soviet philologist | Saint Petersburg State University | Saint Petersburg: September 25, 1891 - Saint Petersburg: February 14, 1927 | Vsevolod

Polish mathematician and cryptographer (1888-1945) | Commander of the Order of Polonia Restituta | Knaster–Kuratowski–Mazurkiewicz lemma | Lviv University

Russian mineralogist (1884-1963) | Order of St. George, 4th class | Saint Petersburg State University | Vladikavkaz: September 25, 1884 - April 14, 1963

German mathematician and physicist (1880-1968) | Leipzig University | Hamburg: September 25, 1880 - Augsburg: June 15, 1968 | Wilhelm Müller (Wilhelm Muller)

Austrian chemist and journalist | Knight of the Legion of Honour | Vienna: September 25, 1872 - San Francisco: April 1, 1944 | Paul Cohn (Paul von Hohenau)

German theologian, philosopher, and comparative religionist (1869-1937) | honorary doctor of the University of Uppsala | University of Erlangen–Nuremberg

Norwegian academic (1868-1917) | University of Oslo | Christiania: September 25, 1868 - Christiania: August 4, 1917 | Kristian Birch-Reichenwald Aars

Russian-Swiss mathematician (1861-1945) | doctor honoris causa from the University of Lyon (1942) | Mirimanoff paradox, Mirimanoff's congruence

Austrian chemist (1853-1924) | Lieben Prize (1902) | University of Vienna, Heidelberg University | Sanok: September 25, 1853 - Vienna: July 4, 1924 | Josef

German philosopher (1852–1933) | Leipzig University, Humboldt University of Berlin, Tübinger Stift, University of Tübingen | Nehren: September 25, 1852

American entrepreneur | Hartwick: September 25, 1843 - Grand Rapids: March 15, 1889 | Melville Reuben Bissell | Hartwick: September 25, 1843 - Grand Rapids

American inventor and industrialist | Hudson: September 25, 1842 - Philadelphia: April 13, 1909 | L. Lewis Sagendorph | Hudson: September 25, 1842

Italian physicist (1836-1904) | University of Florence | Naples: September 25, 1836 - Naples: August 20, 1904 | Emilio Villari | Naples: September 25, 1836

Belgian chemist, inventor, physicist and photographic researcher (1834–1882) | Ghent University | Ghent: September 25, 1834 - Ghent: September 25, 1882

German businessman (1821–1891) | Ludwigsburg: September 25, 1821 - December 27, 1891 | Charles F. Erhart - Gottlob Karl Friedrich Erhart | Ludwigsburg

Irish mathematician and Anglican theologian (*1819 – †1904) | Fellow of the British Academy, Cunningham Medal (1858), Copley Medal (1889), Royal Medal (1868)

Romanian physicist | Feleacu: September 25, 1817 - Iași: August 4, 1879 | Ștefan Micle (Stefan Micle) | Feleacu: September 25, 1817 - Iași: August 4, 1879

American inventor (1809-1859) | New York University | Morristown: September 25, 1809 - Morristown: January 18, 1859 | Alfred Vail | Morristown: September 25

cartographer | Knight of the Order of the Dannebrog | Iceland: September 25, 1788 - Reykjavík: March 17, 1876 | Björn Gunnlaugsson (Bjorn Gunnlaugsson)

Azorean noble and politician (1759-1829) | Foreign Member of the Royal Society (1819) | Lisbon: September 25, 1759 - Tavira: March 6, 1829 | Francisco de Borja

American writer | National Women's Hall of Fame (2002) | history of the Rise, Progress, and Termination of the American Revolution | Barnstable: September 25

German mathematician and theologian | Debrzno: September 25, 1660 - Königsberg: February 19, 1727 | Christian Langhansen | Debrzno: September 25, 1660

writer from France | Paris: September 25, 1647 - Paris: July 12, 1733 | Anne-Thérèse de Marguenat de Courcelles (Anne-Therese de Marguenat de Courcelles)

Danish astronomer (*1644 – †1710) | Rømer's determination of the speed of light | Aarhus Katedralskole, University of Copenhagen | Aarhus: September 25

Italian mathematician and astronomer (*1494 – †1575) | Messina: September 25, 1494 - Messina: August 1, 1575 | Francesco Maurolico | Messina: September 25

Italian philosopher (1462 – 1525) | University of Padua | Mantua: September 25, 1462 - Bologna: May 28, 1525 | Pietro Pomponazzi (Peretto Mantovano)