Dutch inventor and environmentalist | Champions of the Earth (2014), Index Award (2015), Dutchman of the Year (2017), European of the Year (2017), Prince of

British child prodigy and STEM activist | Member of the Order of the British Empire (2016), BBC 100 Women (2017), honorary doctor of the University of Kent

University of Malta | July 27, 1982 - Uttar Pradesh: January 20, 2020 | Joseph Borg | July 27, 1982 - Uttar Pradesh: January 20, 2020

British chemist | Durham University | July 27, 1979 - June 27, 2015 | Peter J. H. Scott | July 27, 1979 - June 27, 2015 | Durham University

Moscow State University, University of Oxford | July 27, 1975 - Madrid: December 25, 1820 | Manuk Hergnyan | July 27, 1975 - Madrid: December 25, 1820

Lviv National Academy of Arts, Ivan Trush Lviv State College of Decorative and Applied Arts | July 27, 1973 - Jackson: June 9, 2024 | Vasyl Kosiv | July 27

Hungarian Silver Cross (2006), Hungarian Golden Cross (2018) | University of Leicester Department of Politics and International Relations, University of Pécs

chemist from Belgium | Fellow of the American Academy of Arts and Sciences (2014), Fellow of the Royal Society of Chemistry, Spinoza Prize (2013), Knight of

Technical University of Munich | July 27, 1968 - Liège: May 13, 1868 | Christian Karpfinger | July 27, 1968 - Liège: May 13, 1868 | Technical University of Munich

American mathematician | Fellow of the American Mathematical Society (2013), Guggenheim Fellowship (2011), Packard Fellowship for Science and Engineering

researcher | Dan David Prize (2002) | Max Planck Society, Johns Hopkins University, Hebrew University of Jerusalem | Jerusalem: July 27, 1964 - Saint-Raphaël

German mathematician | Goethe University Frankfurt | Frankfurt: July 27, 1962 - Bengaluru: July 24, 2017 | Ulrich Kohlenbach | Frankfurt: July 27, 1962

Slovene catholic priest and theologian | University of Ljubljana | Ljubljana: July 27, 1961 - Kingsbury: December 17, 1892 | Anton Jamnik | Ljubljana: July 27

French mathematician | Fellow of the American Mathematical Society (2013), Cours Peccot (1989), Élie Cartan Prize (2002) | École Normale Supérieure

Cameroonian philosopher and political scientist | Member of the Academy of Science of South Africa, Albertus-Magnus professorate (2019), Ernst Bloch Award

Defender of the Motherland Medal (2006), Medal "For Distinction in Military Service", 2nd class (1986) | National University of Kharkiv | July 27, 1956

German physicist | X-ray badge (2010) | Rosenheim: July 27, 1955 - Munich: March 4, 2000 | Helmut Dosch | Rosenheim: July 27, 1955 - Munich: March 4, 2000

Polish diplomat, philosopher | Knight Commander of the Order of Merit (1996) | University of Freiburg, Jagiellonian University | Tarnobrzeg: July 27, 1955

Israeli philosopher | Hebrew University of Jerusalem, University of London | Jerusalem: July 27, 1955 - February 5, 1943 | Ruth Weintraub | Jerusalem: July 27

Polish physicist | Nicolaus Copernicus University in Toruń | Kwidzyn: July 27, 1954 - Lublin: July 13, 1977 | Włodzisław Duch (Wlodzislaw Duch) | Kwidzyn

organometallic chemist | Fellow of the American Association for the Advancement of Science (2009), Perkin Medal (2006) | College of Wooster | Miami Springs

Finnish philosopher | Knight First Class of the Order of the White Rose of Finland (2019), Order of the Cross of Terra Mariana, 3rd Class (2014) | Aalto University

Polish physicist | Officer of the Order of Polonia Restituta, Cross of Freedom and Solidarity | University of Gdańsk | Elbląg: July 27, 1952 - Sachsenhausen

Molecular cell biologist (1950-2013) | University of Newcastle, University of Birmingham | Southport: July 27, 1950 - United States: August 6, 2013 | Martin

scientist | Chystiakove: July 27, 1949 - Tournon-sur-Rhône: November 25, 1899 | Oleksiy Karpenko | Chystiakove: July 27, 1949 - Tournon-sur-Rhône: November 25, 1899

Swedish medical doctor, academic, statistician and public speaker | Chanchlani Global Health Research Award (2014), Illis quorum (2010), Kunskapspriset (2007)

Israeli mathematician | Hebrew University of Jerusalem | Mahanayim: July 27, 1948 - Roermond: March 12, 1471 | Matania Ben-Artzi | Mahanayim: July 27, 1948

physicist | Verkin Prize (NAS of Ukraine), State Prize of Ukraine in Science and Technology (2006) | National University of Kharkiv | Budapest: July 27, 1947

French mathematician | University of Paris, Lycée Louis-le-Grand | Ho Chi Minh City: July 27, 1947 - Paris: October 19, 1875 | Lê Dũng Tráng (Le Dung

French writer | grand prix de l'Imaginaire for best french-language short story (1988), Golden Graoully for Best French Novel (1980), grand prix de

American chemist | Fellow of the American Chemical Society (2010) | Vanderbilt University, Tennessee State University, University of Cincinnati | Nashville

American computer scientist (1945–2020) | Bower Award and Prize for Achievement in Science (2014), IEEE Fellow, Turing Award (2007), ACM Fellow (1998)

Russian scientist | Ural State University | July 27, 1944 - Giebichenstein: June 21, 1777 | Galina Klimantova | July 27, 1944 - Giebichenstein: June 21, 1777

French algebraist, historian and armenologist | Khorenatsi medal (2022) | Atlas historique de l'Arménie, La Cilicie au carrefour des empires, La Saga des

Spanish chemist (1940–2016) | King James I Prize for Research (2005), honorary doctorate of the University of Alcala (2000), honorary doctorate of the

American physicist | Sloan Fellowship (1967), Herbert P. Broida Prize (1997), Davisson–Germer Prize in Atomic or Surface Physics (2000), Fellow of the

American physical chemist and civil servant | Guggenheim Fellowship | Amherst College, Sidwell Friends School, Massachusetts Institute of Technology

American mathematician and engineer | Frederick W. Lanchester Prize (1977), John von Neumann Theory Prize (2012), Fellow of the Society for Industrial and

Russian scientist | MSU Faculty of Biology | Moscow: July 27, 1934 - October 29, 2023 | Vladimir Skrebitsky | Moscow: July 27, 1934 - October 29, 2023

July 27, 1934 - Saint-Cassin: May 24, 1896 | Klaus Zschunke | July 27, 1934 - Saint-Cassin: May 24, 1896

Spanish writer, philosopher, historian and Coptic scholar | Pontifical Gregorian University, University of Barcelona | Barcelona: July 27, 1932 - Gósol: April 21, 2025

French physicist and archaeologist (1931-2014) | Wittelsheim: July 27, 1931 - 7th arrondissement of Lyon: November 16, 2014 | Maurice Picon - Maurice Antoine

Indian politician | University of Mysore | Shimoga district: July 27, 1931 - Bengaluru: February 16, 2021 | Rama Jois | Shimoga district: July 27, 1931

South African activist and politician | Order of Mapungubwe (2014) | University of the Witwatersrand, University of London | Barkly East: July 27, 1930

French sociologist, philosopher and cultural theorist | Forget Foucault | University of Paris | Reims: July 27, 1929 - 6th arrondissement of Paris: March 6, 2007

German physicist | National Prize of East Germany, Patriotic Order of Merit in Bronze | Göttingen: July 27, 1927 - Adolf Fredriks parish: August 7, 1848

Lithuanian mathematician (1921-2011) | Order of Lenin (1969), Order of Lenin (1961), Hero of Socialist Labour (1969), Commander of the Order of the Lithuanian

Chinese physicist (1917-1992) | Academician of the Chinese Academy of Sciences (1957) | Massachusetts Institute of Technology, Shanghai Gezhi High School

Austrian mathematician (1907-2009) | University of Vienna | Gainfarn: July 27, 1907 - Boston: October 22, 2009 | Irene Fischer - Irene Kaminka | Gainfarn: July

July 27, 1905 - Maribor: January 29, 1910 | Branko Diehl | July 27, 1905 - Maribor: January 29, 1910

American physicist (1904–1996) | Fellow of the American Physical Society, Guggenheim Fellowship (1934), Guggenheim Fellowship (1933), Louis E. Levy Medal of

Polish economist (1904-1965) | Commander of the Order of Polonia Restituta, Medal of the 10th Anniversary of People's Poland, Fellow of the Econometric Society

French politician (1896-1969) | Officer of the Legion of Honour, Resistance Medal, Knight of the Legion of Honour, Croix de guerre 1914–1918 | École Normale

Order of the Red Banner of Labour, Order of Lenin | Faculty of Physics and Mathematics of the Saint Petersburg University | July 27, 1893 - Moscow: July 27, 1836

Dutch-Israeli veterinary research scientist | Israel Prize (1961) | Utrecht University | Utrecht: July 27, 1891 - Tel Aviv: February 1, 1968 | Jacob van der

Chemist | ETH Zurich | Küsnacht: July 27, 1889 - Männedorf: April 30, 1975 | Gottfried Trümpler (Gottfried Trumpler) | Küsnacht: July 27, 1889

Inventor of the statoscope | Oberlin College, Massachusetts Institute of Technology | Dayton: July 27, 1888 - Dayton: August 30, 1962 | Levitt Luzern Custer

Russian mathematician | Imperial Moscow University, University of Paris | Kasimov: July 27, 1887 - Moscow: September 5, 1964 | Sara Shakulova | Kasimov: July

American mathematician | Vanderbilt University, University of Chicago | Nashville: July 27, 1884 - November 26, 1962 | D. M. Smith | Nashville: July 27, 1884

German chemist (1881–1945) | Liebig Medal (1929), Nobel Prize in Chemistry (1930), Davy Medal (1937) | University of Lausanne, Technical University of

Order of Lenin (1951), Order of the Red Banner of Labour (1957), Order of Lenin (1944), Order of Lenin (1949), Medal "For Valiant Labour in the Great

German mathematician (1871–1953) | Ackermann–Teubner Memorial Award (1916) | Zermelo–Fraenkel set theory, axiomatic set theory, well-ordering theorem

American geologist (1870-1927) | Yale University | Amherst: July 27, 1870 - Hancock: August 15, 1927 | Bertram Boltwood | Amherst: July 27, 1870 - Hancock

American mathematician (1867–1938) | Lehmer sieve, stencil | University of Nebraska–Lincoln, University of Chicago | Somerset: July 27, 1867 - Berkeley

American inventor (1867-1946) | Bloomfield: July 27, 1867 - Fort Madison: June 19, 1946 | Walter A. Sheaffer | Bloomfield: July 27, 1867 - Fort Madison: June 19, 1946

July 27, 1863 - February 19, 1998 | Giuseppe Appiani | July 27, 1863 - February 19, 1998

German inventor (1862–1921) | Nysa: July 27, 1862 - Stara Kamienica: January 18, 1921 | Karl Ilgner | Nysa: July 27, 1862 - Stara Kamienica: January 18, 1921

Second Sant Satguru of Radha Soami Satsang Beas (1858-1948) | Punjab: July 27, 1858 - Amritsar: April 2, 1948 | Baba Sawan Singh Ji Maharaj | Punjab: July 27

Peruvian Chemist | National University of San Marcos | July 27, 1854 - January 1, 1923 | Enrique Guzmán y Valle (Enrique Guzman y Valle) | July 27, 1854

British physicist and electrical engineer (1849–1898) | Royal Medal (1890), Smith's Prize (1871) | Queenwood College, University of London, Trinity College

English chemist, food manufacturer and politician (1849–1922) | Knight Bachelor | July 27, 1849 - February 7, 1922 | Sir Alfred Bird, 1st Baronet | July 27

Hungarian physicist (1848–1919) | Heidelberg University | Buda: July 27, 1848 - Budapest: April 8, 1919 | Loránd Eötvös (Lorand Eotvos) | Buda: July 27

German physicist (1848–1916) | Order of Saint Michael | University of Königsberg | Dobre Miasto: July 27, 1848 - Halle (Saale): December 6, 1916 | Friedrich

Austrian collotype producer, photographer, and print publisher (1845-1939) | Academy of Fine Arts, Nuremberg | Schwerin: July 27, 1845 - Vienna: December 14, 1939

Mathematician, geometer and engineer | July 27, 1827 - January 1, 1901 | Théodore Moutard (Theodore Moutard) | July 27, 1827 - January 1, 1901

Japanese samurai (1824-1900) | July 27, 1824 - January 5, 1900 | Akizuki Teijirō (Akizuki Teijiro) | July 27, 1824 - January 5, 1900

American food scientist and chemist (1818–1893) | Fellow of the American Academy of Arts and Sciences | Rensselaer Polytechnic Institute | Livingston County

German theologian and philosopher (1815-1886) | Münster: July 27, 1815 - Freiburg im Breisgau: May 28, 1886 | Friedrich Bernhard Ferdinand Michelis

English mathematician and astronomer (*1801 – †1892) | Gold Medal of the Royal Astronomical Society (1846), Albert Medal (1876), Royal Medal (1845), Copley

French chemist (1791–1852) | Montyon Science Award (1836) | Saarlouis: July 27, 1791 - Paris: January 13, 1852 | Jean Nicolas Gannal | Saarlouis: July 27

German linguist (1753-1807) | University of Königsberg, University of Göttingen | Ostróda: July 27, 1753 - Kaliningrad: August 25, 1807 | Christian Jakob

Finland Swedish explorer (1737-1796) | Order of St. Vladimir, 4th class | Savonlinna: July 27, 1737 - Tobolsk: January 16, 1796 | Erik Laxman | Savonlinna

German mathematician and theologian | Rostock: July 27, 1732 - Rostock: December 15, 1796 | Heinrich Valentin Becker | Rostock: July 27, 1732 - Rostock