HP Nielsen

Polish chemist | University of Silesia in Katowice | Katowice: May 21, 1976 - Düsseldorf: May 25, 1991 | Michał Daszykowski (Michal Daszykowski) | Katowice

Czech physicist | Olomouc City Award (2014) | May 21, 1973 - Adyar: June 24, 1890 | Radek Zbořil (Radek Zboril) | May 21, 1973 - Adyar: June 24, 1890

German mathematician | RWTH Aachen University | Aachen: May 21, 1967 - Pompano Beach: February 5, 1967 | Gabriele Nebe | Aachen: May 21, 1967 - Pompano Beach

French translator and philosopher | École Normale Supérieure | May 21, 1967 - Pforzheim: January 1, 1914 | Bruce Bégout (Bruce Begout) | May 21, 1967

scientist | Knight of the National Order of Merit (2011), Prix Ampère (2012), CNRS silver medal (2007) | Pierre and Marie Curie University, École Normale Supérieure

American mathematician and Fields medallist | Fellow of the American Mathematical Society (2013), Humboldt Research Fellowship, Humboldt Prize, Guggenheim

Polish physicist | Gold Cross of Merit | Pleszew: May 21, 1957 - Poznań: October 12, 2000 | Zbigniew Trybuła (Zbigniew Trybula) | Pleszew: May 21, 1957

Venezuelan scientist | Central University of Venezuela | Caracas: May 21, 1956 - Minsk: June 1, 2009 | Liliana López (Liliana Lopez) | Caracas: May 21, 1956

Swedish mathematician | Wallenberg Prize (1984), Göran Gustafsson Prize for mathematics (1992) | Uppsala University | Uppsala Cathedral Assembly: May 21, 1955

Slovene mathematician | Ambassador of Science of the Republic of Slovenia, Zois award | Ljubljana: May 21, 1952 - Toruń: December 6, 2022 | Dušanka Janežič

Hungarian politician from Romania (born: 1951) | Brâncovenești: May 21, 1951 - Amsterdam: May 10, 1941 | Csaba Németh (Csaba Nemeth) | Brâncovenești: May

Italian teacher and scientist | Reggio Emilia: May 21, 1951 - Liss: August 30, 1978 | Walter Ganapini | Reggio Emilia: May 21, 1951 - Liss: August 30, 1978

Telugu writer | S. Thimmapuram: May 21, 1948 - Plymouth: February 24, 1852 | Vivina Mūrti (Vivina Murti) | S. Thimmapuram: May 21, 1948 - Plymouth: February 24, 1852

philosopher | Marlborough College, The Queen's College, University of East Anglia | England: May 21, 1948 - Detroit: December 4, 1955 | Peter Lamarque

May 21, 1946 - Vienna: October 26, 1886 | Jozef Piaček (Jozef Piacek) | May 21, 1946 - Vienna: October 26, 1886

German astronaut | Officer's Cross of the Order of Merit of the Federal Republic of Germany, Order of Merit of Baden-Württemberg (1985) | University of

Spanish mathematician | Complutense University of Madrid | León: May 21, 1945 - Castelldefels: January 16, 2023 | José Luis Andrés Yebra (Jose Luis Andres

American mathematician | Fellow of the American Mathematical Society (2013) | University of Chicago | New York City: May 21, 1942 - Palo Alto: April 20, 2001

scientist | May 21, 1941 - Paris: June 1, 1501 | Səlimə Mehdiyeva | May 21, 1941 - Paris: June 1, 1501

Greek physicist, professor and politician | National and Kapodistrian University of Athens | Heraklion: May 21, 1939 - Heraklion: October 25, 2023 | Giorgos

German mathematician (1938–2014) | University of Kiel | Freiburg im Breisgau: May 21, 1938 - September 4, 2014 | Theodor Bröcker (Theodor Brocker)

Romanian politician (1937–2022) | Bolyai University | Cluj-Napoca: May 21, 1937 - Cluj-Napoca: December 16, 2022 | Petre Constantin Buchwald - Buchwald

Swedish biochemist | Sir Hans Krebs Medal (1998), Albert Lasker Award for Basic Medical Research (1977), Canada Gairdner International Award (1981), Heinrich

American physicist | Excellence in Physics Education Award (2014), Oersted Medal (2002), Fellow of the American Physical Society | Princeton University

Czech philosopher (1933-2020) | Order of Tomáš Garrigue Masaryk, 1st class (2013), Award of the Minister of the Environment, honorary doctor of the Jan

French christian philosopher and theologian | Paris Nanterre University, University of Lorraine | Nancy: May 21, 1930 - Coniston: January 9, 1943 | Jean

Dr. rer. nat. habil. Georg-August-Universität Göttingen 1962 | Ludwig-Maximilian-University in Munich, University of Göttingen | Fürth: May 21, 1930

American chemist (1929-2016) | Guggenheim Fellowship, Fellow of the American Academy of Arts and Sciences, Vincent du Vigneaud Award (1996) | Wayne State

Russian sexologist and sociologist (1928–2011) | Medal of the Order "For Merit to the Fatherland", 2nd class | Herzen University | Saint Petersburg: May 21

May 21, 1928 - Smíchov: August 3, 1907 | Pavel Spunar | May 21, 1928 - Smíchov: August 3, 1907

American mathematician (1927-2021) | Fellow of the American Mathematical Society (2013), Fellow of the Association for Women in Mathematics (2019) | Rice

Swiss mathematician (1923-2003) | Brouwer Medal (1978), Leroy P. Steele Prize (1991), Balzan Prize (1992) | Borel conjecture, Baily–Borel compactification

Indian spiritual Guru, philosopher, social reformer and composer | University of Calcutta, Vidyasagar College | Jamalpur: May 21, 1921 - Kolkata: October 21, 1990

Hungarian mathematician (1921-1990) | Babeș-Bolyai University, "King Ferdinand I" University, Politehnica University of Bucharest | Timișoara: May 21, 1921

Soviet nuclear physicist and human rights activist (1921–1989) | Honorary doctor of the University of Ottawa, Honorary doctor of the University of Groningen

chemist in Japan | Order of the Rising Sun, 2nd class (1986) | Osaka University | Nishinomiya: May 21, 1915 - December 24, 2013 | Shūzō Seki (Shuzo Seki)

Turkish mathematician (1913-2006) | Lycée Notre Dame de Sion Istanbul, Istanbul University | Istanbul: May 21, 1913 - Istanbul: February 22, 2006 | Suzan

expert in the fields of plutonium exposure, aerospace and aviation medicine, Mr. Plutonium | University of Colorado, Iowa State University, Oklahoma State

Swiss chemist (1903-1965) | honorary doctorate of the University of Natural Resources and Life Sciences, Vienna (1955) | Frauenfeld: May 21, 1903 - Zurich

German mathematician (1902-1993) | National Prize of East Germany | Leipzig University | Döbeln: May 21, 1902 - Halle (Saale): May 15, 1993 | Herbert

Flemish Belgian Francophone writer (1901–1992) | Prix Sainte-Beuve (1954), prix littéraire Canada-Communauté française de Belgique (1973) | Ghent University

Scottish physicist (1897-1981) | Commander of the Order of the British Empire, Military Cross | University of Chicago, George Heriot's School | Edinburgh: May

Dutch chemist and university professor (1891-1979) | Patterson-Crane Award (1973) | Delft University of Technology | Zaandam: May 21, 1891 - The Hague

Ukrainian mathematician and pedagogue (1889–1961) | Ternopil Ukrainian gymnasium, University of Vienna, Berezhany gymnasium, Lviv University | Nova

American aviator and industrialist (1878-1930) | National Aviation Hall of Fame (1964), National Inventors Hall of Fame (2003), Langley Gold Medal (1913)

Polish chemist (1878-1938) | Commander of the Order of Polonia Restituta | Taras Shevchenko National University of Kyiv | Ukraine: May 21, 1878 - Poznań

German neurologist (1873–1941) | Gymnasium Casimirianum Coburg, University of Jena | Neuses: May 21, 1873 - Jena: June 1, 1941 | Hans Berger | Neuses: May

American inventor (1872–1957) | IEEE Lamme Medal (1934), John Price Wetherill Medal (1935) | West Newton English and Classical School, Massachusetts

Founder of Coleman Company; mayor of Wichita, Kansas (1870-1957) | Parsons Senior High School, Emporia State University, Emporia State University School of

May 21, 1868 - Târgu Mureș: June 4, 2021 | István Bugarszky (Istvan Bugarszky) | May 21, 1868 - Târgu Mureș: June 4, 2021

American physician (1868–1939) | Harvard University | Brookline: May 21, 1868 - Cambridge: May 7, 1939 | Richard Clarke Cabot | Brookline: May 21, 1868

German chemist (1866-1944) | Lechbruck am See: May 21, 1866 - April 2, 1944 | Jacob Knappich | Lechbruck am See: May 21, 1866 - April 2, 1944

Canadian-American botanist (1866-1952) | Harvard University | St. Catharines: May 21, 1866 - April 19, 1952 | E. C. Jeffrey | St. Catharines: May 21, 1866

Hungarian philosopher and university professor (1864-1937) | Timișoara: May 21, 1864 - Ecséd: November 28, 1937 | Gyula Pikler | Timișoara: May 21, 1864

May 21, 1864 - December 27, 1957 | Wilhelm Abenius | May 21, 1864 - December 27, 1957

Hungarian chemist, university teacher (1863-1939) | Eötvös Loránd University | Arad: May 21, 1863 - Budapest: April 14, 1939 | Lajos Winkler | Arad: May 21

Russian Soviet physicist (1861-1947) | Order of Saint Stanislaus, 3rd class, Order of Saint Stanislaus, 1st class | Odesa University, University of Strasbourg

Dutch physiologist | National Inventors Hall of Fame (2008), Nobel Prize in Physiology or Medicine (1924), Foreign Member of the Royal Society (1926) | Utrecht

French mathematician (1858–1936) | Commander of the Legion of Honour, Grand prix des sciences mathématiques (1886), Petit d'Ormoy, Carriere, Thebault Award

Ukrainian physicist | National University of Kharkiv | Poltava: May 21, 1857 - Kharkiv: May 19, 1908 | Nikolai Pylchykov | Poltava: May 21, 1857 - Kharkiv: May 19, 1908

Grand cross of the Civil Order of Alfonso XII (1914), Grand Cross of the Order of Charles III (1920) | May 21, 1856 - Madrid: May 24, 1935 | José

Russian medical scientist (1852-1906) | Kazan Imperial University | Ufa: May 21, 1852 - Kazan: March 5, 1906 | Nikolay Matveyevich Lyubimov | Ufa: May 21, 1852

British chemist | Companion of the Order of the Indian Empire | May 21, 1849 - May 13, 1918 | Alexander Pedler | May 21, 1849 - May 13, 1918 | Companion of the

American engineer | Elliott Cresson Medal (1877) | Freedom: May 21, 1843 - Manhattan: February 25, 1924 | Plimmon Henry Dudley | Freedom: May 21, 1843

German scientist (1837–1907) | Cothenius Medal (1907) | Ludwig-Maximilian-University in Munich, University of Göttingen | Munich: May 21, 1837 - Berlin

German mathematician and teacher (1828-1897) | Friedrich-Franz-Gymnasium zu Parchim, University of Rostock, University of Königsberg | Muchow: May 21, 1828

French mathematician (1821-1889) | Officer of the Legion of Honour (1880) | École polytechnique, Mines ParisTech | Paris: May 21, 1821 - December 14, 1889

Swiss engineer (1817-1899) | Guebwiller: May 21, 1817 - Olten: July 25, 1899 | Niklaus Riggenbach | Guebwiller: May 21, 1817 - Olten: July 25, 1899

German philosopher (1817-1881) | Leipzig University | Bautzen: May 21, 1817 - Hol Municipality: July 1, 1881 | Hermann Lotze | Bautzen: May 21, 1817 - Hol

Polish philosopher and writer | Vilnius University | Saint Petersburg: May 21, 1811 - Miasata: September 5, 1880 | Aleksander Tyszyński (Aleksander Tyszynski)

French mathematician, mechanical engineer, and scientist (*1792 – †1843) | 72 names on the Eiffel Tower, French Academy of Sciences | Coriolis force

French chemist (1721-1773) | Gentilly: May 21, 1721 - Paris: October 21, 1773 | Jacques Chapelle | Gentilly: May 21, 1721 - Paris: October 21, 1773

May 21, 1687 - August 25, 1953 | Johann Julius Surland | May 21, 1687 - August 25, 1953

astronomer | Amsterdam: May 21, 1686 - Amsterdam: May 15, 1769 | Nicolaas Struyck | Amsterdam: May 21, 1686 - Amsterdam: May 15, 1769

French physicist and mathematician | Tarascon: May 21, 1676 - Paris: May 12, 1742 | Joseph Privat de Molières (Joseph Privat de Molieres) | Tarascon: May 21