Polish writer, essayist, philosopher and academic teacher | Adam Mickiewicz University in Poznań | Leszno: February 27, 1984 - Moscow: February 16, 1904

technologist, entrepreneur and developer | ETH Zurich | Fribourg: February 27, 1981 - Vatican City: July 31, 1925 | Dominique Guinard | Fribourg: February 27

British mathematician | EMS Prize (2008), Clay Research Award (2004), Fellow of the Royal Society (2010), Sylvester Medal (2014), Fellow of the American

Hungarian American astrophysicist | Newton Lacy Pierce Prize in Astronomy (2011), Packard Fellowship for Science and Engineering (2012), Muhlmann Prize (2011)

Austrian mathematician | TU Wien | Vienna: February 27, 1974 - Warsaw: September 14, 1928 | Nikolas Popper | Vienna: February 27, 1974 - Warsaw: September 14, 1928

English designer and former Chief Design Officer at Apple | Order of the British Empire, honorary doctor of the University of Gothenburg (2008), Knight

Dutch academic | Pim Fortuyn Prize (2015) | Tehran: February 27, 1966 - Corinth: January 1, -0450 | Afshin Ellian | Tehran: February 27, 1966 - Corinth: January 1, -0450

German linguist | Ta'if: February 27, 1966 - Boston: January 1, 1947 | Miriam Butt | Ta'if: February 27, 1966 - Boston: January 1, 1947

British philosopher | Infinitely Demanding, Faith of the Faithless: Experiments in Political Theology, On Humour, The Book of Dead Philosophers, Bowie, Notes

German mathematician and historian of mathematics | University of Stuttgart | Sehnde: February 27, 1958 - De Knipe: April 3, 2005 | Thomas Sonar | Sehnde

researcher | Yerevan State Medical University | Baku: February 27, 1958 - Burbank: December 15, 1966 | A L Eryomin | Baku: February 27, 1958 - Burbank: December 15, 1966

Russian scientist | MSU Faculty of History | Elektrostal: February 27, 1957 - September 1, 2023 | Valery Stepanov | Elektrostal: February 27, 1957 - September 1, 2023

British biochemist | Lasker-DeBakey Clinical Medical Research Award (2009), Charles F. Kettering Prize (2002), Clarivate Citation Laureates (2011), Japan Prize

Czech architect and university educator | Brno University of Technology | Ivančice: February 27, 1951 - November 9, 2021 | Karel Schmeidler | Ivančice

Mexican mathematician | National Autonomous University of Mexico, Heidelberg University | Mexico City: February 27, 1948 - Minsk: June 1, 2009 | Carlos Prieto

American theoretical physicist and cosmologist | ICTP Dirac Medal (2002), Breakthrough Prize in Fundamental Physics (2012), Oskar Klein Medal (1991), Eddington

French philosopher | School for Advanced Studies in the Social Sciences | Paris: February 27, 1947 - Avellaneda: February 27, 2010 | Anne-Marie Drouin-Hans

Institute of Macromolecular Chemistry, University of Chemistry and Technology | February 27, 1947 - Jerusalem: January 1, 1968 | Karel Ulbrich | February

English conservative philosopher and writer (1944–2020) | Commander with Star of the Order of Merit of Hungary (2019), honorary doctorate of the Masaryk

American chemist | ACS Award for Computers in Chemical and Pharmaceutical Research (2000), Schrödinger Medal (2006), Fellow of the American Physical Society

German mathematician | Bielefeld University | Bad Homburg vor der Höhe: February 27, 1944 - London: July 25, 1834 | Bernd Stellmacher | Bad Homburg vor der

American chemist (1943-) | Glenn T. Seaborg Medal (2013), Schrödinger Medal (1998), Roger Adams Award in Organic Chemistry (2021), honorary doctor of the

Norwegian physicist and professor | Fram Committee Nansen Award (2003), Research Council of Norway's Award for Excellence in Communication of Science (1997)

Nobel prize winning American chemist (1942-2021) | Clarivate Citation Laureates (2003), Benjamin Franklin Medal (2000), Benjamin Franklin Medal, Foreign Member

Scottish-Australian mathematician and university administrator (1942-2010) | Sir Edmund Whittaker Memorial Prize (1977), Fellow of the Australian Academy of

American mathematician | Columbia University, University of California, Berkeley, Princeton University | Tarrytown: February 27, 1939 - May 5, 1998 | Robert

German mathematician (1936-2011) | Humboldt University of Berlin, Free University Berlin | Potsdam: February 27, 1936 - Berlin: September 4, 2011 | Wolfgang

French philosopher | Paris Nanterre University (1986) | February 27, 1935 - October 1, 2000 | Tony Andréani (Tony Andreani) | February 27, 1935 - October 1, 2000

Polish mathematician | Commander of the Order of Polonia Restituta (2013), Officer of the Order of Polonia Restituta, Medal of the National Education

English historian of science and astronomy | Carlos Jaschek Award (2008), LeRoy E. Doggett Prize (2004), Agnes Mary Clerke Medal for Historical Research in

German physicist (1930–2014) | University of Jena | Steinach: February 27, 1930 - February 9, 2014 | Gerhard Scheler | Steinach: February 27, 1930 - February 9, 2014

American chemist (1930-2014) | honorary doctorate of Claude Bernard University Lyon 1 (1971), Cross of the Order of Merit of the Federal Republic of Germany

German-American physicist | Davisson–Germer Prize in Atomic or Surface Physics (2005), honorary doctor of the Maria Curie-Skłodowska University (2008)

German engineer and inventor | Officer's Cross of the Order of Merit of the Federal Republic of Germany (2014), Cross of the Order of Merit of the Federal

Polish physicist and politician (1927-1999) | Cross of Freedom and Solidarity (2018), Lux ex Silesia (1998), Commander with Star of the Order of Polonia Restituta (2009)

German chemist (1925-2016) | Krokau: February 27, 1925 - August 10, 2016 | Arnold Finck | Krokau: February 27, 1925 - August 10, 2016

Introduced polygraph or "lie-detector" tests, worked in the CIA. Later performed experiments and theorized "plant perception". (1924-2013) | Lafayette

Dutch Christian scholar, professor, and author (1922–1977) | University of Amsterdam | The Hague: February 27, 1922 - March 13, 1977 | Hans Rookmaaker | The

Finland Swedish writer (1921–2009) | Signe Ekblad-Eldh Award (1984), Swedish Academy Nordic Prize (2001), Aniara Award (1997), Samfundet De Nio's Grand Prize

Soviet-American linguist | Tbilisi State University | Tbilisi: February 27, 1916 - London: January 21, 2007 | Sebastian Shaumyan | Tbilisi: February 27, 1916

French philosopher (1913–2005) | Gordon J. Laing Award (1985), Fellow of the American Academy of Arts and Sciences, Dr. Leopold Lucas Prize (1989), Hegel

American mathematician (1910–2004) | National Medal of Science (1979), Leroy P. Steele Prize (1984), Fellow of the Institute of Mathematical Statistics (1940)

Danish furniture designer and manufacturer | Aalborg Cathedral School | Hellerup: February 27, 1909 - Aalborg: February 28, 1970 | Vermund Larsen | Hellerup

Finnish giant (1909–1963) | Helsinki: February 27, 1909 - Helsinki: April 13, 1963 | Väinö Myllyrinne (Vaino Myllyrinne) | Helsinki: February 27, 1909

German mineralogist and crystallographer (1906–1978) | Roebling Medal (1969), Abraham Gottlob Werner Medal in silver (1971) | University of Zurich | Hanover

Dutch philosopher and theologian | Leeuwarden: February 27, 1905 - Westenschouwen: May 7, 1986 | Cornelia de Vogel - Cornelia Johanna de Vogel | Leeuwarden

Soviet and Russian physicist (1904-1996) | State Stalin Prize, 1st degree (1951), Order of the October Revolution (1971), Order of the Red Star (1944)

Japanese philosopher (1900–1990) | Goethe Medal (1972), Person of Cultural Merit (1982) | Kyoto University | Ishikawa Prefecture: February 27, 1900 - November 24, 1990

phrenologist, pedagogue, priest (1900–1999) | Dilsen-Stokkem: February 27, 1900 - Rotselaar: March 7, 1999 | Paul Bouts | Dilsen-Stokkem: February 27, 1900

American chemist | University of Wisconsin–Madison | Wisconsin: February 27, 1898 - Pittsburgh: September 7, 1943 | Elmer Kraemer | Wisconsin: February 27

Mexican politician (1897-1972) | Belisario Domínguez Medal of Honor (2013), Honorary Doctorate from the National Autonomous University of Mexico (1934)

Finnish mathematician | Uskela: February 27, 1890 - December 13, 1968 | Niilo Kallio | Uskela: February 27, 1890 - December 13, 1968

Russian writer (1890-1949) | Faculty of History and Philology of Moscow University | Moscow: February 27, 1890 - Clamart: October 24, 1949 | Sergey Trubetskoy

German chemist and physician (1888-1962) | University of Freiburg, Karlsruhe Institute of Technology | Karlsruhe: February 27, 1888 - Karlsruhe: January 1, 1962

Dutch mathematician and logician (1881–1966) | honorary doctorate from the University of Cambridge, honorary doctorate of the University of Oslo, Knight of

German professor and art collector (1880-1945) | Hanover: February 27, 1880 - Zurich: July 16, 1945 | Eberhard Grisebach | Hanover: February 27, 1880 - Zurich

Slovene mathematician (1879-1950) | Novo Mesto: February 27, 1879 - Ljubljana: April 2, 1950 | Karel Kunc | Novo Mesto: February 27, 1879 - Ljubljana: April 2, 1950

American scientist (1869-1936) | John Scott Award (1911) | Lehigh University | Northumberland: February 27, 1869 - East Orange: June 15, 1936 | Daniel McFarlan

Soviet physicist (1867–1932) | Saint Petersburg State Institute of Technology | Oral: February 27, 1867 - Kharkiv: June 3, 1932 | Pavel Kopniaev | Oral

American philosopher, sociologist, and psychologist | Carus Lectures (1931) | Mind, Self and Society | Harvard University, Oberlin College, Oberlin Academy

Austrian social reformer, occultist and esotericist (1861–1925) | Subba Row Medal (1909) | TU Wien, University of Rostock | Donji Kraljevec: February 27

American chemist (1858-1942) | University of Stuttgart | Buffalo: February 27, 1858 - Buffalo: September 9, 1942 | Jacob Schöllkopf (Jacob Schollkopf)

Austrian botanist and chemist (1857-1927) | Czech Technical University in Prague | Prague: February 27, 1857 - Graz: February 16, 1927 | Friedrich Reinitzer

German chemist (1856-1917) | National Inventors Hall of Fame (2007) | Leipzig University, University of Tübingen | Hamburg: February 27, 1856 - Munich: March 21, 1917

British occult writer (1851–1936) | Okehampton: February 27, 1851 - January 4, 1936 | James Churchward | Okehampton: February 27, 1851 - January 4, 1936

British doctor | Fellow of the Royal College of Physicians of London | Gonville and Caius College | February 27, 1841 - June 4, 1930 | John Buckley Bradbury

Imperial Forestry Institute | February 27, 1838 - November 21, 2021 | Petr Nikolaevich Verekha | February 27, 1838 - November 21, 2021

Czech philosopher (1835–1870) | Charles University | Čimelice: February 27, 1835 - Prague: March 21, 1870 | Josef Dastich | Čimelice: February 27, 1835

Spanish historian, archaeologist, arabist, geographer, mathematician, engineer, architect and professor | Echegaray Medal (1910), Grand cross of the Civil

Swiss engineer, physicist, meteorologist, geodesist, topographer and cartographer (1814-1876) | Nänikon: February 27, 1814 - Bern: January 25, 1876 | Hans

English academic (1800-1875) | Fellow of the Royal Society, Royal Gold Medal (1862) | Gonville and Caius College | London: February 27, 1800 - Cambridge

German academic (1717-1791) | Martin Luther University Halle-Wittenberg | Halle (Saale): February 27, 1717 - Göttingen: August 22, 1791 | Johann David

Spanish philologist | Bordils: February 27, 1715 - Ferrara: January 1, 1799 | Mateo Aimerich | Bordils: February 27, 1715 - Ferrara: January 1, 1799

British publisher | Rugby School | Newton: February 27, 1691 - Clerkenwell: January 10, 1754 | Edward Cave | Newton: February 27, 1691 - Clerkenwell: January 10, 1754