András Hajnal (Andras Hajnal)

Sri Lankan scientist, model and beauty pageant contestant | Colombo: May 13, 1990 - Honolulu: August 18, 2018 | Jayathi De Silva | Colombo: May 13, 1990

Russian mathematician (born 1979) | Medal of the Order "For Merit to the Fatherland", 2nd class, Medal of the University of Jyväskylä (2017) | Baltic State

American mathematician | Breakthrough Prize in Mathematics (2015), Senior Berwick Prize (2012), Fellow of the American Mathematical Society (2013), Clay

physicist | Helen B. Warner Prize for Astronomy (2001), Packard Fellowship for Science and Engineering (2000), Gruber Prize in Cosmology (2021) | University of

neurosurgeon | Harvard Medical School, Harvard University | New York City: May 13, 1965 - Greenwich: January 31, 1932 | Theodore H. Schwartz | New York City

Moroccan politician | Sidi Mohamed Ben Abdellah University, University of Washington | Fez: May 13, 1963 - Gundeshapur: March 2, 0274 | Hakima El Haite | Fez

Jain Terapanth Religious Head | Sardarshahar: May 13, 1962 - Sardarshahar: May 9, 2010 | Acharya Mahasharman | Sardarshahar: May 13, 1962 - Sardarshahar: May 9, 2010

May 13, 1961 - Tbilisi: April 30, 1805 | Chandra Giri | May 13, 1961 - Tbilisi: April 30, 1805

German mathematician | Karlsruhe Institute of Technology, Heidelberg University | Karlsruhe: May 13, 1960 - January 6, 2025 | Gunter Malle | Karlsruhe: May 13

Greek chemist and politician | Athens: May 13, 1959 - July 25, 2024 | Nikos Chrysogelos | Athens: May 13, 1959 - July 25, 2024

American writer and physicist | Rice University, Eastern Nazarene College | Bath: May 13, 1957 - West Lafayette: January 1, 1958 | Karl W. Giberson - Karl

Perm State Medical Academy | May 13, 1955 - Minsk: May 4, 1985 | Viktor Kotegov | May 13, 1955 - Minsk: May 4, 1985 | Perm State Medical Academy

Italian philosopher and politician | Palermo: May 13, 1955 - Rome: April 26, 1944 | Alberto Burgio | Palermo: May 13, 1955 - Rome: April 26, 1944

Superior General of the Congregation of the Brothers of Charity | Katholieke Universiteit Leuven | Assenede: May 13, 1954 - New York City: July 1, 1860 | René

American physicist | Oliver E. Buckley Condensed Matter Prize (2025), Guggenheim Fellowship, Fellow of the American Physical Society | University of

Israeli engineer | IEEE Fellow | Tel Aviv University | Ramat HaSharon: May 13, 1953 - Aosta: March 17, 1877 | Hagit Messer Yaron | Ramat HaSharon: May 13, 1953

Polish journalist, one of the pioneers of Internet in Poland | Silver Cross of Merit (2005) | VI Liceum Ogólnokształcące im. Tadeusza Reytana | May 13, 1953

Dutch philosopher | Leiden University | The Hague: May 13, 1951 - Belgrade: October 17, 1884 | Herman Philipse | The Hague: May 13, 1951 - Belgrade: October 17, 1884

Czech chemist | Silver Medal of the President of the Senate (2015) | Nymburk: May 13, 1951 - Nice: August 26, 1986 | Zdeněk Havlas (Zdenek Havlas) | Nymburk

American mathematician | Fermat Prize (2011), Fellow of the American Academy of Arts and Sciences, Bôcher Memorial Prize (1999), MacArthur Fellows Program

American physicist | University at Buffalo, National University of Kharkiv | Kharkiv: May 13, 1949 - Cairo: December 28, 1906 | Alexander Vilenkin | Kharkiv

Russian mathematician | Fellow of the American Mathematical Society (2013) | Mathematics and Mechanics Faculty, St. Petersburg State University, Saint

German computer scientist | Humboldt Prize | University of Paris, Université catholique de Louvain, University of Münster | Bad Laer: May 13, 1946 - Overlook

Ukrainian metallurgist | Honored Scientist of Ukraine, State Prize of Ukraine in Science and Technology, Order of Merit (Ukraine), 2nd class, Order of Merit

Israeli entrepreneur and physicist | University of California, Irvine, Technion – Israel Institute of Technology | Chernivtsi: May 13, 1945 - Karlsruhe

former Mayor of Baku | Medal "In Commemoration of the 300th Anniversary of Saint Petersburg", Sheref Order | Baku State University | Türkmenbaşy: May 13

Spanish philosopher, writer and university teacher | Complutense University of Madrid, Pontifical University of Saint Thomas Aquinas, University of Salamanca

Hungarian mathematician | Academy Award of the Hungarian Academy of Sciences (1978), Széchenyi Prize (1995) | Eötvös Loránd University | Kiskunlacháza

May 13, 1938 - Oakland: August 5, 1981 | Iégor Reznikoff (Iegor Reznikoff) | May 13, 1938 - Oakland: August 5, 1981

English inventor (1937-2018) | Officer of the Order of the British Empire (1997), Commander of the Order of the British Empire (2014) | Dormers Wells High

Portuguese writer (1936-2009) | Sintra: May 13, 1936 - August 1, 2009 | Manuel António dos Santos Lourenço (Manuel Antonio dos Santos Lourenco)

American organic medicinal chemist, historian, and author | ACS Award for Encouraging Underrepresented and Economically Disadvantaged Students into Careers in

Austrian theologian (1930–2020) | State Prize for Cultural Journalism (2003), Preis der Stadt Wien für Publizistik (2015), Kardinal-Innitzer-Preis, Axel

French author and Sufi scholar (1929-2020) | 14th arrondissement of Paris: May 13, 1929 - Candé: March 31, 2020 | Michel Chodkiewicz - Michel Marie Paul

British physicist, discoverer of the Gunn effect (1928–2008) | Fellow of the American Physical Society, IBM Fellow, John Scott Award (1971), IEEE Morris N.

Estonian philosopher (1924-1993) | Estonian SSR State Prize, Order of Friendship of Peoples, Order of the Patriotic War 2nd class | University of Tartu, Higher

Italian journalist and political scientist (1924-2017) | Commander of the Order of the Southern Cross, Karl Deutsch Award (2009), Honorary Doctorate of

Dutch mathematician (1923-2018) | Leiden University | Leiden: May 13, 1923 - Heino: January 27, 2018 | Fred van der Blij - Frederik van der Blij | Leiden: May

Polish chemist | Perm State Agricultural Academy | May 13, 1921 - United States: March 20, 2015 | Helena Birecka | May 13, 1921 - United States: March 20, 2015

Swiss-German chemist and professor at ETH Zurich | August Wilhelm von Hofmann Medal (1974), Marcel Benoist Prize (1977) | Munich: May 13, 1921 - Herrliberg

Israeli philosopher | Warsaw: May 13, 1920 - August 3, 1996 | Abraham Zvie Bar-On | Warsaw: May 13, 1920 - August 3, 1996

Finnish-Russian nuclear physicist (1914-1998) | Moscow State University | New York City: May 13, 1914 - Kaliningrad: April 13, 1998 | Runar Viktor Gåsström

Soviet/Russian aeronautical engineer, scientist in military aircraft weapons (1913-2000) | Order of the Red Banner of Labour, Honoured Worker of Science and

Jubilee Medal "60 Years of the Armed Forces of the USSR", Jubilee Medal "50 Years of the Armed Forces of the USSR", Jubilee Medal "Thirty Years of Victory

Swiss mathematician (1907-1978) | University of Geneva | Rorschach: May 13, 1907 - Bern: April 25, 1978 | Ernst Kaiser | Rorschach: May 13, 1907 - Bern: April 25, 1978

May 13, 1907 - Uppsala Cathedral Assembly: June 24, 1756 | Hanuš Steidl (Hanus Steidl) | May 13, 1907 - Uppsala Cathedral Assembly: June 24, 1756

German physicist (1905–1964) | University of Innsbruck, Martin Luther University Halle-Wittenberg | Nessa: May 13, 1905 - Oberhausen: July 13, 1964 | Kurt

Norwegian mathematician | Knight of the Order of the Polar Star, Knight of the Order of the Dannebrog | Norwegian Military Academy | Eivindvik: May 13, 1891

Polish chemist (1890-1945) | Gold Cross of Merit | Ivano-Frankivsk: May 13, 1890 - Luhansk: June 25, 1945 | Tadeusz Kuczyński (Tadeusz Kuczynski)

Polish chemist | Gold Cross of Merit, Officer of the Order of Polonia Restituta | Jagiellonian University | Arga, Amur Oblast: May 13, 1882 - Poznań: October 2, 1962

1881-1963) American aviation pioneer | Neosho: May 13, 1881 - Washington, D.C.: March 16, 1963 | Hugh Armstrong Robinson | Neosho: May 13, 1881 - Washington

physicist (1878–1946) | Order of the Red Banner of Labour, Order of Saint Stanislaus, 2nd class, Medal "For Valiant Labour in the Great Patriotic War

American businessman (1876–1935) | Kenosha: May 13, 1876 - Kenosha: November 10, 1935 | Charles T. Jeffery | Kenosha: May 13, 1876 - Kenosha: November 10, 1935

Italian mathematician (1875-1930) | Naples: May 13, 1875 - Naples: December 21, 1930 | Gustavo Sannia | Naples: May 13, 1875 - Naples: December 21, 1930

German chemist (1865-1918) | University of Wrocław, Martin Luther University Halle-Wittenberg | Racibórz: May 13, 1865 - Strasbourg: April 17, 1918

American mathematician, jurist, philatelist and university teacher (1864–1928) | University of Königsberg | Milford: May 13, 1864 - Brooklyn: March 20, 1928

French priest, mathematician and orientalist (1864-1931) | Bordin Prize (1916) | École pratique des hautes études, Science Faculty of Paris | Thil: May 13

May 13, 1860 - Elie and Earlsferry: April 22, 2001 | Aleksey Al'bitskiy | May 13, 1860 - Elie and Earlsferry: April 22, 2001

Czech roman catholic priest (1859-1940) | Nivnice: May 13, 1859 - Prague: December 3, 1940 | Josef Kachník (Josef Kachnik) | Nivnice: May 13, 1859 - Prague

British doctor, Nobel laureate, writer, and artist (1857–1932) | Nobel Prize in Physiology or Medicine (1902), James Tait Black Memorial Prize (1923), Knight

botanist (1851-1917) | Kosmonosy: May 13, 1851 - New Town: December 27, 1917 | Karel Kruis | Kosmonosy: May 13, 1851 - New Town: December 27, 1917

German agricultural scientist (1851–1911) | Tułowice: May 13, 1851 - Karlsruhe: September 22, 1911 | Oskar Kellner | Tułowice: May 13, 1851 - Karlsruhe

Italian teacher and mathematician | Ameglia: May 13, 1847 - Genoa: November 19, 1904 | Paolo Paci | Ameglia: May 13, 1847 - Genoa: November 19, 1904

German theologian | Schiltach: May 13, 1846 - Hanover: April 17, 1920 | August Dorner | Schiltach: May 13, 1846 - Hanover: April 17, 1920

German chemist (1840–1908) | Leipzig University | Bad Köstritz: May 13, 1840 - Tübingen: March 14, 1908 | Gustav von Hüfner - Gustav Hüfner (Gustav von

1820-1895) | Reichenau: May 13, 1820 - Zurich: February 25, 1895 | Adolf Planta | Reichenau: May 13, 1820 - Zurich: February 25, 1895

American physician, chemist, botanist (1813-1897) | Perelman School of Medicine at the University of Pennsylvania | Easton: May 13, 1813 - Easton: April 29, 1897

Swedish chemist and mineralogist (1805–1878) | Uppsala University | Adolf Fredriks parish: May 13, 1805 - Uppsala Cathedral Assembly: July 16, 1878 | Lars

Russian philosopher (1804-1860) | Imperial Moscow University | Moscow: May 13, 1804 - Speshnevo-Ivanovskoe: October 5, 1860 | Alexei Khomyakov | Moscow: May

Slovak poet, linguist, literature historian, publicist, educator, publicist, translator, writer and science writer (1795–1861) | honorary citizen of Prague

German chemist and entrepreneur | Kassel: May 13, 1784 - June 15, 1859 | Wilhelm Sattler | Kassel: May 13, 1784 - June 15, 1859

Order of St. Vladimir, 4th class, Order of Saint Anna, 2nd class | Naval Cadet Corps | May 13, 1779 - Rinteln: October 6, 1797 | Aleksandr Glotov | May 13

French political, engineering and mathematical figure (1753–1823) | Knight of the Royal and Military Order of Saint Louis, Names inscribed under the Arc de

Italian mathematician (*1750 – †1800) | Euler–Mascheroni constant, Mohr–Mascheroni theorem, Invito a Lesbia Cidonia ed altre poesie | Seminario di

French mathematician, astronomer, and geophysicist (*1713 – †1765) | Fellow of the Royal Society (1737) | Clairaut's theorem, symmetry of second

Meurer, Wolfgang; b. 13 May 1513 in Altenberg; d. 6 Feb. 1585 in Leipzig; doctor, professor of medicine, philosopher | Leipzig University | Altenberg: May 13