J. Allen Hynek

Dragan Vulin, president of HDSSB | Osijek: May 1, 1986 - Uppsala Cathedral Assembly: February 8, 1979 | Dragan Vulin | Osijek: May 1, 1986 - Uppsala Cathedral

entrepreneur, founder and inventor | autonomous car, mycityvenue, kar-go | University of Edinburgh, Aberystwyth University, London School of Economics and

Brazilian mathematician | Instituto Nacional de Matemática Pura e Aplicada | Aracaju: May 1, 1984 - Samara: May 21, 2009 | Carlos Matheus | Aracaju: May 1

philosopher from Belgium | Vrije Universiteit Brussel, Ghent University, Katholieke Universiteit Leuven | Hasselt: May 1, 1983 - Cambridge: April 15, 2009

American mathematician | University of California, Berkeley, University of Maryland | Los Angeles: May 1, 1978 - Chapel Hill: January 29, 2020 | David Spivak

researcher | Honoured Worker of Higher Professional Education of the Russian Federation, Russian government prize for science and technology | Kemerovo

Polish physicist | Maria Curie-Skłodowska University | May 1, 1975 - Wilkinsburg: February 6, 1949 | Michał Kowal (Michal Kowal) | May 1, 1975 - Wilkinsburg

author | United States: May 1, 1973 - Satu Mare: January 21, 2022 | Zena Hitz | United States: May 1, 1973 - Satu Mare: January 21, 2022

Ukrainian scientist | Tavrida National V.I. Vernadsky University | Shahrisabz: May 1, 1972 - Arkhangelsk: October 13, 2009 | T. B. Useinov | Shahrisabz: May 1

Spanish physicist | Autonomous University of Madrid | León: May 1, 1970 - Boston: May 30, 1882 | Antonio Turiel | León: May 1, 1970 - Boston: May 30, 1882

Grenadian-born mathematician (born 1968) | Fellow of the Society for Industrial and Applied Mathematics (2023) | Combermere School, Rensselaer Polytechnic

Swedish chemist | Nyköpings östra församling: May 1, 1962 - Shawangunk Ridge: October 3, 1971 | Lena Nordlund | Nyköpings östra församling: May 1, 1962

French philosopher | May 1, 1958 - Winston-Salem: September 27, 2023 | Franck Jedrzejewski (Hubert Mortagne) | May 1, 1958 - Winston-Salem: September 27, 2023

Ukrainian scientist | Faculty of Medicine of Ternopil National Medical University | Petrykiv: May 1, 1957 - Paris: April 24, 1916 | Maria Khara | Petrykiv: May

Egyptian activist, mathematician, professor | Cairo University, University of Poitiers | London: May 1, 1956 - Naples: May 16, 1714 | Laila Soueif | London

Russian philosopher | Faculty of Philosophy at Saint Petersburg State University | May 1, 1954 - Amsterdam: May 21, 1939 | Valery Savchuk | May 1, 1954

Ukrainian mathematician | Faculty of Mechanics and Mathematics, Taras Shevchenko National University of Kyiv | Hermanivka: May 1, 1953 - Kyiv: January 1, 2016

Slovenian mathematician | Zois award | University of Reading | Koper: May 1, 1953 - Pasadena: February 24, 2003 | Dragan Marušič (Dragan Marusic) | Koper

researcher (ORCID 0000-0002-0133-7962) | Medal "In Commemoration of the 850th Anniversary of Moscow", Russian government prize for science and technology | MSU

Greek historian | Fulbright Scholarship (1984) | Homer's Odyssey beyond the myths, Τhe Greek National Divide. Another Dimension, America, Russia and the Birth

Belarusian scientist | Belarusian State Economic University | Vilkiskes: May 1, 1950 - Zurich: November 19, 1912 | Lidziya Matskevich | Vilkiskes: May 1, 1950

Russian linguist of Bashkir descent | Honoured Worker of Higher Professional Education of the Russian Federation | Bashkir State University | Baymaksky

1949-2017) | University of Essex, Cardiff University, Collegiate School | Dar es Salaam: May 1, 1949 - Geneva: June 12, 2017 | Vinod Chohan | Dar es Salaam

American rabbi, theologian, and academic (born 1949) | Rabbi Isaac Elchanan Theological Seminary, Yeshiva University | Brooklyn: May 1, 1949 - November 27, 1994

May 1, 1948 - Russkiy Yurtkul: June 5, 1895 | Sankara Bhagavadpada | May 1, 1948 - Russkiy Yurtkul: June 5, 1895

French philosopher | Arzew: May 1, 1948 - Paris: April 15, 1788 | Jean-Paul Jouary | Arzew: May 1, 1948 - Paris: April 15, 1788

African-American scholar | Gittler Prize (2013), Jessie Bernard Award (1993), W.E.B. Du Bois Career of Distinguished Scholarship award (2017), Fellow of the

Russian mathematician | Noether Lecture (2004), Fellow of the American Mathematical Society (2013) | MSU Faculty of Mechanics and Mathematics, University of Maryland

German mathematician | University of Hamburg | Reinbek: May 1, 1947 - September 15, 2019 | Claus Peter Ortlieb | Reinbek: May 1, 1947 - September 15, 2019

structural biologist | Fellow of the American Association for the Advancement of Science (2018) | University of Warsaw | Warsaw: May 1, 1946 - Prague: July 28, 2014

Ukrainian scientist | Order of Merit (Ukraine), 3rd class, Honored Scientist of Ukraine | Nizhyn Gogol State University | Nizhyn: May 1, 1945 - Lutsk: January 23, 2019

American computer scientist | SIGMOD Edgar F. Codd Innovations Award (2004), Gödel Prize (2014), W. Wallace McDowell Award (2012), ACM Fellow (2000), IBM

Soviet and Russian physicist and guitarist (1943–2020) | Peter the Great Saint Petersburg State Polytechnical University | Kurgan: May 1, 1943 - October 28, 2020

Czech director of Czech rectors conference and physicist | honorary doctor of Comenius University (2006), honorary doctorate of Claude Bernard University Lyon 1 (2003)

French writer | Paris Nanterre University | Lisieux: May 1, 1942 - Toulouse: February 14, 1841 | Jean-René Ladmiral (Jean-Rene Ladmiral) | Lisieux: May 1

Chilean metallurgical engineer and weapons scientist | Orden al Mérito Docente y Cultural Gabriela Mistral (2005), Chilean Prize of IANSA (2006) | University

May 1, 1942 - Christiania: July 20, 1850 | Bodo Krause | May 1, 1942 - Christiania: July 20, 1850

Swiss physicist and professor emeritus at the Swiss Federal Institute of Technology (ETH) Zurich | ETH Zurich | Kreuzlingen: May 1, 1941 - October 23, 2002

researcher from Brasil | Brazil: May 1, 1940 - January 1, 1958 | Marco Antonio Moreira | Brazil: May 1, 1940 - January 1, 1958

Russian mathematician | Maltsev Prize, Demidov Prize (2013), Order of the Badge of Honour, State Prize of the Russian Federation, Order of the Red Banner of

Azerbaijani physicist | Mamkhuti: May 1, 1938 - May 30, 2015 | Abdulla Mehrabov | Mamkhuti: May 1, 1938 - May 30, 2015

Moldovan politician (1937-1993) | Medal "Veteran of Labour", Order of the Republic (2010), "Mihai Eminescu" Medal | Moldova State University | Kostychany: May

Armenian academic | State Prize of Ukrainian SSR in Science and Technology (1989), Order of Friendship of Peoples, Armenian SSR State Prize (1988), Order of

American computer scientist | John Price Wetherill Medal (1985), Computer History Museum fellow, Harry H. Goode Memorial Award (1985), BBVA Foundation

Iranian politician | Amol: May 1, 1933 - Ephesus: January 1, -0470 | Abdollah Javadi Amoli | Amol: May 1, 1933 - Ephesus: January 1, -0470

Bangladeshi physicist (1933–2021) | Fellow of Bangladesh Academy of Sciences, Independence Award, Ekushey Padak | University of Glasgow, University of Dhaka

Palestinian broadcaster and writer | University of London | May 1, 1931 - Naples: January 25, 2017 | Siham al-Karmi - سهام حسن سعيد علي

American physicist of quantum computing | University of California, Berkeley | Pasadena: May 1, 1930 - Downers Grove: March 28, 2022 | Paul Benioff | Pasadena

French philosopher (1930–2021) | Lycée Janson-de-Sailly, Lycée Carnot, École Normale Supérieure, Lycée Louis-le-Grand | 17th arrondissement of Paris

German-British sociologist, politician (1929–2009) | Pour le Mérite for Sciences and Arts order, Knight Grand Cross of the Order of Leopold II, honorary

American physicist | Fellow of the American Physical Society, Fulbright Scholarship, Oersted Medal (2006) | Harvard College, University of Michigan, Phillips

American mathematician of Hungarian origin | Fellow of the Society for Industrial and Applied Mathematics (2009), honorary doctor of the Peking University

Spanish philosopher | Garrucha: May 1, 1924 - Viña del Mar: June 19, 1982 | Francisco Soler Grima | Garrucha: May 1, 1924 - Viña del Mar: June 19, 1982

Croatian philosopher (1923–2008) | University of Zagreb | Zagreb: May 1, 1923 - Zagreb: April 25, 2008 | Milan Kangrga | Zagreb: May 1, 1923 - Zagreb: April 25, 2008

Swedish physicist | Royal Institute of Technology | May 1, 1923 - June 24, 2005 | Curt Mileikowsky | May 1, 1923 - June 24, 2005 | Royal Institute of Technology

French academic (1921–2012) | Righteous Among the Nations (2000), Commander of the Legion of Honour (2007), Broquette-Gonin prize (1980) | Chambéry: May 1

Russian physicist (1921–2017) | Order of the Red Star, Medal "For the Capture of Königsberg", Jubilee Medal "50 Years of Victory in the Great Patriotic War

one of first two African-American women to gain the degree of Doctor of Veterinary Medicine (1919-2003) | Simmons University, University of Pennsylvania | May

Hindu philosopher (1907–1982) | Uttar Pradesh: May 1, 1907 - February 7, 1982 | Swami Karpatri | Uttar Pradesh: May 1, 1907 - February 7, 1982

Polish engineer | Warsaw University of Technology | Strzyżów: May 1, 1905 - Santa Barbara: January 1, 1989 | Mieczysław G. Bekker (Mieczyslaw G. Bekker

German physicist (1903–2002) | Bavarian Order of Merit | University of Erlangen–Nuremberg, Ludwig-Maximilian-University in Munich | Erlangen: May 1, 1903

Venezuelan inventor | Bailadores: May 1, 1901 - Tovarija: August 15, 1990 | luiz sambrano | Bailadores: May 1, 1901 - Tovarija: August 15, 1990

Japanese pioneer in the development of television | Order of the Sacred Treasure, Order of Culture (1981), Person of Cultural Merit (1980) | Tokyo Institute of

Pakistani experimental physicist (1898–1973) | Fellow of Pakistan Academy of Sciences | Aligarh Muslim University, Victoria University of Manchester

American physicist and diplomat (1898–1986) | Guggenheim Fellowship (1931), Fellow of the American Physical Society, Atoms for Peace Award | Gonville and

Romanian social scientist | École Normale Supérieure, Alexandru Ioan Cuza University | Huși: May 1, 1896 - East Berlin: August 17, 1964 | Mihai Ralea

Righteous Among the Nations (2001) | May 1, 1885 - August 18, 1999 | Helena Skinder | May 1, 1885 - August 18, 1999 | Righteous Among the Nations (2001)

German jurist and philosopher (1881–1934) | Große Stadtschule Rostock | Rostock: May 1, 1881 - Berlin: August 29, 1934 | Leo Müffelmann (Leo Muffelmann)

French philosopher, Jesuit priest, and paleontologist | Mendel Medal (1937), Croix de guerre 1914–1918 (1915), Officer of the Legion of Honour (1946)

Russian engineer, margarine industry (1881–1965) | Medal "For Valiant Labour in the Great Patriotic War 1941–1945", Stalin Prize, Medal "In Commemoration

British inventor | Leeds: May 1, 1880 - Newton Abbot: August 15, 1949 | Claude Hamilton Verity | Leeds: May 1, 1880 - Newton Abbot: August 15, 1949

assassinated Portuguese president (1872-1918) | Grand Cross of the Sash of the Three Orders, Sash of the Three Orders | University of Coimbra, Portuguese

Italian mathematician (1863–1949) | University of Pavia | Naples: May 1, 1863 - Pavia: December 10, 1949 | Luigi Berzolari | Naples: May 1, 1863 - Pavia

Polish economist and sociologist (1857–1886) | Saratov Governorate: May 1, 1857 - Kazan: January 24, 1886 | Stanisław Krusiński (Stanislaw Krusinski)

Spanish scientist (1852-1934) | honorary doctor of the University of Bordeaux (1922), Grand Cross of the Order of Isabella the Catholic (1901), Echegaray Medal

French engineer (1839–1924) | École polytechnique, University of Franche-Comté | Besançon: May 1, 1839 - Paris: March 11, 1924 | Hilaire de Chardonnet

scientist | Moscow Imperial University, Faculty of Law | Małachowice: May 1, 1838 - Warsaw: October 30, 1897 | Antoni Okolski | Małachowice: May 1, 1838

American mathematician and educator (1834–1906) | Harvard Divinity School, Harvard University | Cambridge: May 1, 1834 - March 21, 1906 | James Mills Peirce

Italian philosopher (1834-1884) | Lamezia Terme: May 1, 1834 - Naples: December 22, 1884 | Francesco Fiorentino | Lamezia Terme: May 1, 1834 - Naples: December 22, 1884

British chemist (1834–1915) | May 1, 1834 - April 4, 1915 | James Hargreaves | May 1, 1834 - April 4, 1915

German chemist (1832-1885) | Winnweiler: May 1, 1832 - Vienna: July 31, 1885 | Philipp Zöller (Philipp Zoller) | Winnweiler: May 1, 1832 - Vienna: July 31, 1885

American academic administrator | Andover Theological Seminary, Williams College | Genoa: May 1, 1827 - Williamstown: October 2, 1911 | John Bascom | Genoa

Australian academic (1827-1865) | University of Strathclyde, University of Glasgow, University of Edinburgh | Scotland: May 1, 1827 - September 2, 1865 | John

German educator, Berlin school reformer (1826–1904) | honorary citizen of Berlin | Magdeburg: May 1, 1826 - Berlin: November 5, 1904 | Heinrich Bertram

Swiss mathematician (1825–1898) | University of Basel, Karlsruhe Institute of Technology, Humboldt University of Berlin | Lausen: May 1, 1825 - Basel: March 12, 1898

English scientist (1824-1904) | Royal Medal (1862), Fellow of the Royal Society of Edinburgh, Fellow of the Royal Society | University of Giessen, Heidelberg University

British politician and chemist (1818-1898) | Fellow of the Royal Society of Edinburgh, Fellow of the Royal Society, Knight Grand Cross of the Order of the Bath

American businessman and inventor (1809–1889) | public school | Westmoreland: May 1, 1809 - Manhattan: October 20, 1889 | Benjamin T. Babbitt | Westmoreland

Austrian mathematician (1793–1863) | University of Graz, Lviv University, Lviv Academic Gymnasium | Lviv: May 1, 1793 - Prague: February 28, 1863 | Jakob

Finnish priest | Elimäki: May 1, 1792 - Porvoo: October 18, 1864 | Carl Gustaf Ottelin | Elimäki: May 1, 1792 - Porvoo: October 18, 1864

German chemist | University of Helmstedt | Bernburg: May 1, 1760 - Halle (Saale): November 26, 1798 | Friedrich Albrecht Carl Gren | Bernburg: May 1, 1760

American writer and advocate for women's rights (1751-1820) | Gloucester: May 1, 1751 - Natchez: July 6, 1820 | Judith Sargent Murray | Gloucester: May 1, 1751

French writer | Bernières-sur-Mer: May 1, 1659 - Paris: August 23, 1713 | Jean-Léonor le Gallois Grimarest (Jean-Leonor le Gallois Grimarest)

German astronomer and Jesuit missionary active in China | Collegium Germanicum et Hungaricum, Dreikönigsgymnasium | Lüftelberg: May 1, 1592 - Beijing: August 15, 1666

Austrian mathematician and historian | Wilhelmsburg: May 1, 1588 - Vienna: May 31, 1666 | Johann Wilhelm Mannagetta | Wilhelmsburg: May 1, 1588 - Vienna: May 31, 1666

astronomer, astrologer, mathematician | Old University of Leuven, Université catholique de Louvain | Loenhout: May 1, 1527 - Paris: June 17, 1579 | Johannes