John Ugelstad

Northern Irish writer | Belfast: March 31, 1973 - Monson: December 9, 1991 | Peter Rollins | Belfast: March 31, 1973 - Monson: December 9, 1991

American solar physicist | University of Memphis | Memphis: March 31, 1972 - Paris: October 1, 1954 | Henry "Trae" Winter | Memphis: March 31, 1972 - Paris

British astronomer | Kelvin Prize (2014) | e-MERLIN | University College London, University of Manchester | March 31, 1964 - Venice: January 27, 1617 | Tim

French philosopher and neurophysiologist | School for Advanced Studies in the Social Sciences, Pierre and Marie Curie University | Albi: March 31, 1959 - 10th

Leadership expert, economist | Harvard University | March 31, 1959 - April 14, 2020 | Amy Edmondson | March 31, 1959 - April 14, 2020 | Harvard University

French philosopher and journalist | prix Prescrire | Paris: March 31, 1956 - Basel: September 9, 2014 | Roger Lenglet | Paris: March 31, 1956 - Basel: September 9, 2014

Romanian mathematician | Hungarian Golden Cross (2022) | Babeș-Bolyai University | Cluj-Napoca: March 31, 1954 - Cambridge: October 19, 1937 | Dáné Tibor

British doctor | Victoria University of Manchester | Liverpool: March 31, 1952 - April 1, 2025 | Laurence Kirwan | Liverpool: March 31, 1952 - April 1, 2025

German chemist and biochemist | Gotha: March 31, 1947 - Schopfheim: December 1, 1892 | Rudolf Geyer | Gotha: March 31, 1947 - Schopfheim: December 1, 1892

British scientist | German Environmental Prize (2005) | Hanover: March 31, 1941 - Hattula: February 24, 2010 | Joachim Luther | Hanover: March 31, 1941

Russian scientist | Medal "Veteran of Labour", Honoured Higher education employee of the Russian Federation, VDNKh bronze medal, Master of Sport of the USSR

Portuguese chemist | University of Exeter | Porto: March 31, 1936 - July 15, 2024 | Hernani Lopes da Silva Maia | Porto: March 31, 1936 - July 15, 2024

Russian scientist | Russian State Institute of Performing Arts | Tashkent: March 31, 1936 - Saint Petersburg: March 7, 2014 | Mayya Molodtsova | Tashkent

French physicist (1935–2023) | prix Roberval Grand public (2011), prix Roberval Grand public (2018), Prize Louis Ancel (1968), Officer of the National Order

Italian particle physicist | honorary doctor of the China University of Mining and Technology (2011), honorary doctor of the Pontifical Catholic University of

New Zealand mathematician | Jones Medal (2010), Fellow of the New Zealand Mathematical Society, Fellow of the Society for Industrial and Applied Mathematics

German mathematician | University of Hamburg | Berlin: March 31, 1932 - Mülheim an der Ruhr: February 20, 2006 | Hans-Joachim Arnold | Berlin: March 31, 1932

Slovak mathematician (1931-2019) | Ľudovít Štúr Order 2nd class (2006) | Krížová Ves: March 31, 1931 - Bratislava: December 6, 2019 | Július Krempaský

Uruguayan theologian (1929-2009) | Lycée Français Jules Supervielle | Montevideo: March 31, 1929 - Montevideo: November 15, 2009 | Alberto Methol Ferré

Czech physicist | Polička: March 31, 1928 - January 1, 2013 | Jiří Rippl (Jiri Rippl) | Polička: March 31, 1928 - January 1, 2013

Australian environmentalist and scientist | Officer of the Order of Australia (1987) | University of Adelaide | Largs Bay: March 31, 1927 - Badenweiler: August 3, 2008

American astrophysicist (1927–2020) | NASA Exceptional Scientific Achievement Medal (2000) | Syracuse University, Columbia University, Oberlin College | Far

German chemist | Johannes Gutenberg University Mainz | Striesen: March 31, 1926 - March 17, 2017 | Peter Cüppers (Peter Cuppers) | Striesen: March 31, 1926

American inventor (1926–2003) | Memphis: March 31, 1926 - Indian Head: November 28, 2003 | Harold Von Braunhut | Memphis: March 31, 1926 - Indian Head

Italian physicist (1923-1980) | Rome: March 31, 1923 - Llantwit Major: November 28, 1980 | Carlo Franzinetti | Rome: March 31, 1923 - Llantwit Major: November 28, 1980

British scientist (1922–2019) | Buchanan Medal (2000), honorary Fellow of the Royal College of Surgeons (1995), Goulstonian Lectures (1959), Fellow of the

Italian physician (1921–1993) | University of Milan | Udine: March 31, 1921 - Milan: May 25, 1993 | Laura Conti | Udine: March 31, 1921 - Milan: May 25, 1993

Swiss mathematician (1917-2008) | honorary doctorate of Technion, honorary doctor of Ben-Gurion University, Marcel Benoist Prize (1967), Albert Einstein Medal

Luxembourgian politician (1915-2011) | Grand Cross of the Order of the Oak Crown | Wasserbillig: March 31, 1915 - Luxembourg: June 5, 2011 | Léon Bollendorff

Israeli philosopher | Tchernichowsky Prize, Bialik Prize (1991), Israel Prize (1963) | Hebrew University of Jerusalem | Sambir: March 31, 1914 - Jerusalem

Mexican writer, poet an diplomat (1914–1998) | Alfonso Reyes International Prize (1985), Neustadt International Prize for Literature (1982), Menéndez Pelayo

German mathematician (1910–2000) | honorary doctor of the University of Duisburg-Essen (1997) | University of Cologne | Cologne: March 31, 1910 - February 6, 2000

French psychologist (1908–1986) | Commander of the Legion of Honour, Charles F. Prentice Medal (1985), Edgar D. Tillyer Award (1974) | École polytechnique

Japanese physicist (1906-1979) | Asahi Prize (1946), Order of the Rising Sun, 1st class (1976), Lomonosov Gold Medal (1963), Order of Culture (1952), Nobel

British philosopher (1903–2009) | University of Birmingham | Birmingham: March 31, 1903 - Hereford: January 23, 2009 | H. J. Blackham | Birmingham: March 31

German physicist (1900-1973) | Fellow of the American Physical Society | University of Hamburg | Berlin: March 31, 1900 - Haifa: March 30, 1973 | Immanuel

English philosopher and historian of philosophy | Tchernichowsky Prize | London: March 31, 1896 - Wellington: April 2, 1963 | Leon Roth | London: March 31

March 31, 1893 - March 30, 1944 | Torsten Heurlinger | March 31, 1893 - March 30, 1944

Hungarian engineer (1891–1960) | Pâncota: March 31, 1891 - Budapest: February 27, 1960 | Oszkár Asboth (Oszkar Asboth) | Pâncota: March 31, 1891

Australian-born British physicist and X-ray crystallographer | honorary doctor of the University of New Zealand (1960), Military Cross, Knight Bachelor

Polish philosopher (1886–1981) | honorary doctor of Comenius University (1969), Order of the Builders of People's Poland, Odznaka tytułu honorowego

pharmacist, chemist, chess master (1879–1957) | Carei: March 31, 1879 - Budapest: June 15, 1957 | Aladár Erdey (Aladar Erdey) | Carei: March 31, 1879

Austrian physicist (1876–1930) | Graz University of Technology | Veldidena: March 31, 1876 - Salzburg: January 5, 1930 | Otto Nussbaumer | Veldidena: March

American mathematician | Western College for Women | Erie: March 31, 1861 - November 19, 1942 | Hettie Belle Ege | Erie: March 31, 1861 - November 19, 1942

Russian philosopher and psychologist (1856–1925) | Order of Saint Anna, 2nd class, Order of St. Vladimir, 3rd class, Order of Saint Stanislaus, 1st class

American businessman (1855-1899) | East Douglas: March 31, 1855 - April 27, 1899 | Alfred E. Hunt | East Douglas: March 31, 1855 - April 27, 1899

British engineer (1854–1932) | Knight Commander of the Order of the British Empire, Royal Medal (1924), Fellow of the Royal Society, Albert Medal (1922)

Swiss chemist (1853-1915) | Saint Petersburg: March 31, 1853 - Berlin: March 23, 1915 | Otto Nikolaus Witt | Saint Petersburg: March 31, 1853 - Berlin: March 23, 1915

Danish psychologist (1849-1912) | Decoration of the Cross of Honour of the Dannebrog (1908), Knight of the Order of the Dannebrog (1893) | Husby: March 31

Dutch mathematician (*1848 – †1941) | University of Amsterdam, Delft University of Technology | 's-Hertogenbosch: March 31, 1848 - Amsterdam: May 10, 1941

Canadian inventor, politician, goldsmith and flutist in Quebec city | Quebec City: March 31, 1841 - Quebec City: December 1, 1922 | Cyrille Duquet | Quebec

Swiss chemist (1838-1911) | University of Geneva | Céligny: March 31, 1838 - January 1, 1911 | Marc Delafontaine | Céligny: March 31, 1838 - January 1, 1911

American chemist & surgeon (1835–1885) | New York University, Grossman School of Medicine | Chase City: March 31, 1835 - New York City: December 20, 1885

Czech member of Czech council, manager and inventor | Czech Technical University in Prague | Loket: March 31, 1834 - New Town: April 10, 1901 | Hugo Jelínek

British chemist (1831–1892) | University of Paris, Paris Medical Faculty, University of Edinburgh, University of Glasgow | Kirkintilloch: March 31, 1831

German-Brazilian biologist (1822–1897) | Facts and Arguments for Darwin | University of Greifswald, Humboldt University of Berlin | Windischholzhausen: March

chemist (1815-1872) | Grevenstein: March 31, 1815 - Unna: April 22, 1872 | Franz Anton Lohage | Grevenstein: March 31, 1815 - Unna: April 22, 1872

Polish-Jewish mathematician and inventor | Demidov Prize (1844) | Białystok: March 31, 1810 - Warsaw: May 15, 1904 | Hayyim Selig Słonimski (Hayyim Selig

March 31, 1809 - January 1, 1846 | Oliver P. Hubbard | March 31, 1809 - January 1, 1846

scientist | Gorodishche: March 31, 1806 - Kursk: January 13, 1884 | Sergey Ornatsky | Gorodishche: March 31, 1806 - Kursk: January 13, 1884

British church minister and mathematician (1806–1895) | Fellow of the Royal Society | Trinity College Dublin | Bolton: March 31, 1806 - Bowdon: February 3, 1895

Austrian mathematician | Lviv University | Kraków: March 31, 1803 - Bad Vöslau: June 9, 1852 | Leopold Karel Schulz | Kraków: March 31, 1803 - Bad Vöslau

19th century Italian physician | Ripabottoni: March 31, 1802 - Naples: June 4, 1875 | Pietro Ramaglia | Ripabottoni: March 31, 1802 - Naples: June 4, 1875

Italian mathematician, astronomer and politician (1798-1864) | Order of Saints Maurice and Lazarus (1863), Order of Saints Maurice and Lazarus (1861), Reale

French mathematician (1730-1783) | Bézout's identity, Bézout's theorem, Bézout domain, Bézout matrix | Nemours: March 31, 1730 - Avon: September 27, 1783

French chemist and pharmacist | Strasbourg: March 31, 1722 - Strasbourg: September 9, 1783 | Jacob Reinbold Spielmann | Strasbourg: March 31, 1722

English engineer and painter (1644-1703) | Saffron Walden: March 31, 1644 - Eddystone Rocks: November 27, 1703 | Henry Winstanley | Saffron Walden: March 31

French philosopher, mathematician, and scientist (1596–1650) | La Géométrie, Discourse on the Method, The Description of the Human Body | Utrecht