Gennadiĭ Vladimirovich Ignatenko (Gennadii Vladimirovich Ignatenko)

Emirati scientist | July 23, 2002 - Zamora: June 5, 1908 | Alia Al Mansoori | July 23, 2002 - Zamora: June 5, 1908

Italian mathematician | Bartolozzi Prize (2023), EMS Prize (2024) | University of Turin, University of Oxford | Bari: July 23, 1992 - May 2, 2025 | Cristiana

Taiwanese ethicist and pundit | National Taiwan Sport University, Fu Jen Catholic University, National Taiwan University, National Chengchi University | Miaoli

American cosmologist | Brown University, Harvard University | Santa Cruz: July 23, 1973 - January 1, 1882 | Anthony Aguirre | Santa Cruz: July 23, 1973 - January 1, 1882

German philosopher and author | Berliner Kunstpreis (2014), Aspekte-Literaturpreis (2009) | Biedenkopf: July 23, 1972 - Varanasi: January 1, 1531 | Stephan

British physicist | Vrije Universiteit Brussel, Free University of Brussels | July 23, 1968 - Paraparaumu: May 1, 2025 | Bob Coecke | July 23, 1968

Italian British physicist | Occhialini Prize (2017) | Udine: July 23, 1966 - Cachan: October 2, 2005 | Michele Vendruscolo | Udine: July 23, 1966 - Cachan

British chemist | Gordon E. Moore Medal (2009) | Massachusetts Institute of Technology, University of Oxford | July 23, 1965 - Dartford: April 22, 1833 | Emma

German physicist | Fellow of the American Physical Society | University of Konstanz | Offenbach am Main: July 23, 1961 - June 1, 2021 | Georg Krausch

Belgian philosopher | July 23, 1961 - Copenhagen: June 16, 2013 | Michel Vandenbosch | July 23, 1961 - Copenhagen: June 16, 2013

Bulgarian psychologist | Sofia University | Tran: July 23, 1960 - October 8, 1974 | Li︠u︡dmil Georgiev (Liudmil Georgiev) | Tran: July 23, 1960 - October 8, 1974

July 23, 1959 - Kensington: April 16, 1904 | Valerij Aronovič Dymšic (Valerij Aronovic Dymsic) | July 23, 1959 - Kensington: April 16, 1904

businessperson | Massachusetts Institute of Technology, United States Army War College, Marlboro College, University of Rhode Island | July 23, 1959 - Clapham

Medal of the Order "For Merit to the Fatherland", 1st class, Medal of the Order "For Merit to the Fatherland", 2nd class (1998), Order of Friendship (2008)

Ukrainian physicist | Verkin Prize (NAS of Ukraine), State Prize of Ukraine in Science and Technology | National University of Kharkiv | Bogdanivka: July 23

Norwegian physicist | Massachusetts Institute of Technology, IFP School, Norwegian Institute of Technology | Trondheim: July 23, 1954 - Salamanca: January 1, 1548

Israeli researcher | Hebrew University of Jerusalem | Kfar Saba: July 23, 1953 - March 14, 1910 | Abraham Domb | Kfar Saba: July 23, 1953 - March 14, 1910

Azerbaijani scientist | Baku: July 23, 1953 - Novoselenginsk: May 27, 1855 | Bəhruz Pənahi | Baku: July 23, 1953 - Novoselenginsk: May 27, 1855

American philosopher | Lauener Prize (2022), Fellow of the American Academy of Arts and Sciences, Guggenheim Fellowship | Yale University, Princeton University

scientist | Medal "In Commemoration of the 1000th Anniversary of Kazan", Medal of the Order "For Merit to the Fatherland", 2nd class | Russian Academy of State

German mathematician | Free University Berlin | Berlin: July 23, 1951 - Uppsala Cathedral Assembly: July 7, 1939 | Axel Reimann | Berlin: July 23, 1951

Russian physicist | Medal of the Order "For Merit to the Fatherland", 2nd class | National University of Science and Technology | Roslavl: July 23, 1950

American mathematician | honorary doctor of the University of Paris-Est-Marne-la-Vallée (2000), Fellow of the Society for Industrial and Applied Mathematics

Hong Kong-American chemist | Humboldt Research Fellowship, Fellow of the American Physical Society, honorary doctor of the Shanghai University (2010), IEEE

Pakistani academic | Abdus Salam Award (1997), Fellow of Pakistan Academy of Sciences | University of London | Shimla: July 23, 1946 - Copenhagen: September 23, 1931

scientist | Order of Prince Yaroslav the Wise, 5th class, Order of Prince Yaroslav the Wise, 3rd class, Honored Worker of Education of Ukraine, State Prize of

English professor of philosophy and law | Fellow of the Committee for Skeptical Inquiry | University of Cambridge | England: July 23, 1945 - June 10, 2023

Spanish mathematician | Complutense University of Madrid | Santander: July 23, 1945 - Danderyd: April 2, 1995 | Francisco Javier Girón González-Torre

Canadian mathematician and historian of mathematics | University of Waterloo | London: July 23, 1943 - Stanford: August 12, 1989 | Hugh C. Williams | London

Spanish scientist | University of Santiago de Compostela | Santiago de Compostela: July 23, 1942 - Zurich: January 2, 1801 | Luís Daviña Facal (Luis Davina

French physicist | Fellow of the Optical Society (2008), Gay-Lussac-Humboldt-Prize (2003), Gustave-Ribaut prize (1995), Commander of the Legion of Honour

Dutch philosopher and politician | Delft University of Technology, Vrije Universiteit Amsterdam | Nieuw-Buinen: July 23, 1937 - March 23, 2013 | Egbert

Austrian mathematician | University of Innsbruck | Thalgau: July 23, 1936 - Mauthausen concentration camp: March 13, 1942 | Franz Pichler | Thalgau: July 23

Italian mathematician (1936–2023) | Sapienza University of Rome | La Spezia: July 23, 1936 - Pisa: October 5, 2023 | Giuseppe Da Prato | La Spezia: July 23

Mexican physicist | Honorary Doctorate from the National Autonomous University of Mexico, National Prize for Arts and Sciences (2002) | MSU Faculty of Physics

American astronomer and physicist | Gruber Prize in Cosmology (2002), Weizmann Women & Science Award (1996), Gold Medal of the Royal Astronomical Society

Czech philosopher (1927–2024) | honorary doctorate of the Pavol Jozef Šafárik University in Košice (2008), Czech Medal of Merit (2004) | Faculty of Arts

American mathematician (1924-2016) | Guggenheim Fellowship, Wilks Memorial Award (1991), Elizabeth L. Scott Award (1998), COPSS Distinguished Achievement Award

Polish physicist | Adam Mickiewicz University in Poznań | July 23, 1923 - Litwinki, Warmian-Masurian Voivodeship: May 4, 1998 | Józef Werle (Jozef Werle)

Swedish mathematician (1923–2016) | Guggenheim Fellowship, Fellow of the Royal Statistical Society, Fellow of the Institute of Mathematical Statistics (1952)

French philosopher (1921–2018) | Cardinal-Grente Prize (2001), Montyon Prize (1991), Humboldt Prize (2001), Édouard Bonnefous Prize (2010), CNRS bronze

Polish chemist | Knight of the Order of Polonia Restituta | Kyiv: July 23, 1918 - Poznań: November 7, 1973 | Janusz Gilewicz | Kyiv: July 23, 1918 - Poznań

academic (1918 - 1989), member of the Accademia delle Scienze di Torino since 1964 | Correggio: July 23, 1918 - Zams: August 7, 1989 | Antonio Pignedoli

American chemist (1916–2002) | Fellow of the American Physical Society, Glenn T. Seaborg Award for Nuclear Chemistry (1972), Atoms for Peace Award, Ernest

Historian of mathematical logic and personal secretary to Leon Trotsky (1912–1986) | New York University | Creil: July 23, 1912 - Mexico City: March 25, 1986

Israeli mathematician (1912–2006) | Hebrew University of Jerusalem, University of Königsberg | Königsberg: July 23, 1912 - Haifa: August 22, 2006 | Rafael

Polish geologist | Silver Cross of Merit, Officer of the Order of Polonia Restituta (1971), Medal of the 30th Anniversary of People's Poland, Medal of the 10th

American mathematician (1907–1984) | Harvard University, Ohio State University | Columbus: July 23, 1907 - April 29, 1984 | Charles B. Morrey, Jr.

Bosnian-Swiss chemist (1906-1998) | doctor honoris causa from the University of Paris (1963), Order of Danica Hrvatska, Robert Robinson Award (1968), Foreign

Soviet academic (1905-1983) | Order of the Red Star | Vkhutemas | Melitopol: July 23, 1905 - Moscow: September 20, 1983 | Mikhail Lifshitz | Melitopol: July

Estonian-German physician | University of Tartu | Cēsis: July 23, 1901 - Tallinn: July 5, 1975 | Gerhard Rooks | Cēsis: July 23, 1901 - Tallinn: July 5, 1975

Austrian author (1892-1974) | Peter Rosegger award (1961) | Ljubljana: July 23, 1892 - Altaussee: June 5, 1974 | Bruno Brehm | Ljubljana: July 23, 1892

Peruvian philosopher | Lima: July 23, 1890 - Palmeira das Missões: August 17, 1949 | Julio Ugarte y Ugarte | Lima: July 23, 1890 - Palmeira das Missões

Swedish mathematician | Uppsala University | July 23, 1888 - Stockholm: November 28, 1952 | Fritz Carlson | July 23, 1888 - Stockholm: November 28, 1952

British chemist (1887–1956) | Bodmin: July 23, 1887 - Greater London: October 13, 1956 | John William Trevan | Bodmin: July 23, 1887 - Greater London: October 13, 1956

German physicist (1886–1976) | Honorary doctor of the Technical University of Berlin (1960), honorary doctor of ETH Zürich (1960), Werner von Siemens Ring

Polish mathematician (1883–1941) | Lviv Polytechnic, Jagiellonian University | Velyki Mosty: July 23, 1883 - Lviv: July 4, 1941 | Włodzimierz Stożek

American spectroscopist and chemical educator (1880–1972) | Garvan–Olin Medal (1937), James Flack Norris Award for Outstanding Achievement in the Teaching

English polar explorer, ornithologist, natural historian, physician and artist (1872–1912) | Fellow of the Zoological Society of London, Patron’s Medal

American writer (1871-1954) | New Haven: July 23, 1871 - Chiefland: November 14, 1954 | Alpheus Hyatt Verrill | New Haven: July 23, 1871 - Chiefland: November 14, 1954

German chemist | Ludwig-Maximilian-University in Munich | Munich: July 23, 1870 - New Town: May 10, 1927 | Ludwig Victor Rothmund | Munich: July 23, 1870 - New

German geophysicist and Esperantist (1860–1944) | honorary doctorate (1927), honorary member (1929), honorary member (1909), Adlerschild des Deutschen Reiches (1934)

American Jesuit educator | Boston College High School, St. Stanislaus Novitiate, Woodstock College | Roxbury: July 23, 1859 - St. Andrew-on-Hudson: November 19, 1922

Russian biochemist and botanist (1859-1922) | First Moscow gymnasium, Faculty of Physics and Mathematics of Moscow Imperial University | Moscow: July 23, 1859

Indian independence activist (1856-1920) | Elphinstone College, Government Law College, Mumbai, Deccan College Post-Graduate and Research Institute

British barrister and journalist (1854–1926) | The Fraud of Feminism, The Legal Subjection of Men | Royal Leamington Spa: July 23, 1854 - London: November 26, 1926

Cinematographer and cinema innovator (1854–1918) | Richmond: July 23, 1854 - Whitechapel: December 27, 1918 | Birt Acres | Richmond: July 23, 1854

American veterinarian (1850-1914) | Eastman Business College, Cornell University, Cornell University College of Veterinary Medicine | Mount Olive Township

American social activist, inventor, Conservationist, and leading figure of the early woman's movement (1844–1926) | National Inventors Hall of Fame (2016)

French inventor | Knight of the Legion of Honour (1897) | Argœuves: July 23, 1843 - 6th arrondissement of Paris: January 23, 1908 | Louis Prosper Guénin

Spanish writer, philosopher and military | Grand Cross of the Legion of Honour, Order of Charles III (1864) | Cartagena: July 23, 1833 - Madrid: July 16, 1872

Philologist, dean of the historical faculty and rector of the Imperial University of Moscow. (1826–1901) | Imperial Moscow University, Faculty of History and

German politician, engineer, inventor and blacksmith (1825-1907) | Gorzów Wielkopolski: July 23, 1825 - May 27, 1907 | Albert Knoevenagel | Gorzów

German philosopher (1824–1907) | Martin Luther University Halle-Wittenberg, Leipzig University | Sądowel: July 23, 1824 - Heidelberg: July 5, 1907 | Kuno

July 23, 1807 - April 13, 2023 | Hieronim Martynowski | July 23, 1807 - April 13, 2023

Russian physicist and writer (1775-1832) | University of Göttingen | Ruma: July 23, 1775 - Saint Petersburg: September 6, 1832 | Atanasije Stojković

French officer, engineer, physicist, and mathematician (1775-1812) | Rumford Medal (1810), Grand prix des sciences mathématiques (1810), 72 names on the Eiffel Tower

Genevan scientist (1752-1825) | Fellow of the Royal Society, Fellow of the Royal Society of Edinburgh | University of Geneva | Geneva: July 23, 1752 - Geneva

Portuguese philosopher | Lisbon: July 23, 1713 - Rome: March 20, 1792 | Luís António Verney (Luis Antonio Verney) | Lisbon: July 23, 1713 - Rome: March 20, 1792

Church of Scotland minister and philosophical writer (1703–1793) | Dunnet: July 23, 1703 - August 2, 1793 | James Oswald | Dunnet: July 23, 1703 - August 2, 1793

16th-century English mathematician, astrologer, and alchemist | Enochian, Monas Hieroglyphica, Enochian magic, De Heptarchia Mystica | Trinity College, Old

Italian saint | Assisi: July 23, 1194 - Assisi: August 18, 1253 | Clare of Assisi - Chiara Offreduccio | Assisi: July 23, 1194 - Assisi: August 18, 1253