Polish politician (born 1984) | Nicolaus Copernicus University in Toruń | Kutno: October 2, 1984 - Vienna: April 7, 1932 | Paulina Matysiak | Kutno: October

Brazilian writer | Curitiba: October 2, 1980 - April 27, 1929 | Henry Bugalho - Henry Alfred Bugalho | Curitiba: October 2, 1980 - April 27, 1929

Polish chemist | Adam Mickiewicz University in Poznań | Godziesze Wielkie: October 2, 1972 - Stockholm: April 18, 1796 | Marcin Hoffmann | Godziesze Wielkie

Vietnamese scientist and politician | Hàng Bài Street: October 2, 1970 - Gauting: September 12, 1959 | Nguyễn Thanh Hải (Nguyen Thanh Hai) | Hàng Bài

Polish economist and diplomat | Jagiellonian University, Krakow University of Economics | October 2, 1961 - Będkowo: October 6, 2017 | Aleksander Surdej

Canadian mathematician and writer | Governor General's Award for English-language drama (2005), Carol Bolt Award, Officer of the Order of Canada, Governor

chess player, mathematician, writer | Worcester College, Arnold House School | London: October 2, 1956 - Ithaca: November 14, 2014 | Jon Speelman | London

Russian Cosmologist (1956-2008) | Moscow Institute of Physics and Technology | Moscow: October 2, 1956 - Russia: August 7, 2008 | Gennady Chibisov | Moscow

German cosmologist and theoretical physicist | Max Planck Medal (2015), BBVA Foundation Frontiers of Knowledge Award (2015), ICTP Dirac Medal (2019), Oskar

British chemist | Fellow of the Royal Society (2007), Longstaff Prize (2022), Interdisciplinary Prize (2003), Beilby Medal and Prize (2003), Hughes Medal

Israeli mathematician and computer scientist | Anna and Lajos Erdős Prize in Mathematics (1992), Fellow of the American Mathematical Society (2023) | Hebrew

Azerbaijani scientist | Shohrat Order, Azerbaijan Democratic Republic 100th anniversary medal, Jubilee medal "100 years of Heydar Aliyev (1923-2023)". (2024)

American physicist | Dannie Heineman Prize for Astrophysics (2010), Lilienfeld Prize (2024), Fellow of the American Physical Society, J. Hans D. Jensen Award

researcher | Merited Scientist of the Russian Federation, AA Ukhtomsky Prize, Medal "In Commemoration of the 1000th Anniversary of Kazan" | Kazan State Medical

researcher | Officer of the National Order of Merit (2015), CNRS silver medal (1999) | Macenta: October 2, 1948 - Istanbul: June 18, 1904 | Sigrid Avrillier

Austrian mathematician | Gottfried Wilhelm Leibniz Prize (1992), Heinz Hopf Prize (2011), Gay-Lussac-Humboldt-Prize (1999), Karl-Georg-Christian-von-Staudt-Preis (2013)

French photographer | Decoration of Merit, Knight of the Legion of Honour (2016) | University of Paris 1 Pantheon-Sorbonne, University of Ljubljana | Lokavec

American cryptologist (born 1945) | Order of the Cross of Terra Mariana, 3rd Class, EFF Award (1994), Marconi Prize (2000), IEEE Koji Kobayashi Computers and

Russian mathematician (1945–2025) | Novosibirsk State University | Saint Petersburg: October 2, 1945 - January 15, 2025 | Semyon Kutateladze | Saint

American mathematician, computer scientist, and science fiction writer (1944–2024) | Locus Award for Best Science Fiction Novel (2007), Locus Award for Best

Russian aviation engineer, scientist and writer | Merited Transport Worker of the Russian Federation (2004), Medal "For Labour Valour", Honoured aircraft

nuclear scientist | Ted Belytschko Applied Mechanics Award (1994), Ernest Orlando Lawrence Award (1984), AAAS Award for Science Diplomacy, Leo Szilard

German physicist | Officer's Cross of the Order of Merit of the Federal Republic of Germany (1997), Lorenz Oken Medal (2010) | Dortmund: October 2, 1940

Soviet and Russian chemist | Russian Federation Presidential Certificate of Honour, Jubilee Medal "In Commemoration of the 100th Anniversary of the Birth of

physicist | State Prize of Ukraine in Science and Technology (2000) | National University of Kharkiv | Arkhangelsk: October 2, 1935 - Kharkiv: September 12, 2001

American physicist and computer scientist, a pioneer of digital physics (1934–2023) | Dickson Prize in Science (1983) | California Institute of Technology

Ludwig-Maximilian-University in Munich | October 2, 1934 - Tarascon-sur-Ariège: March 18, 1920 | Hans-Georg Kellerer | October 2, 1934

Romanian mathematician | University of Paris, University of Bucharest | Bucharest: October 2, 1932 - New York City: April 24, 1933 | Valentin Poénaru

American physicist | Andrei Sakharov Prize (2010), Fellow of the American Physical Society, Heinz R. Pagels Human Rights of Scientists Award (2005) | New York

Russian scientist | Krasnogorsky District: October 2, 1931 - Gorno-Altaysk: December 5, 1995 | Feofan Satlayev | Krasnogorsky District: October 2, 1931

German chemist (1931-2011) | Winterlingen: October 2, 1931 - June 11, 2011 | Manfred Kuhn | Winterlingen: October 2, 1931 - June 11, 2011

French physicist | Supélec | Le Bouscat: October 2, 1929 - Orsay: January 27, 2009 | Michel Rambaut - Michel Louis François Rambaut | Le Bouscat: October 2

Croatian-American mathematician at the University of Washington (1929-2018) | Fellow of the American Association for the Advancement of Science, Steele Prize

German theologian (1928–2014) | honorary doctorate from the University of Cambridge, Bavarian Maximilian Order for Science and Art (1995), Bavarian Order of

October 2, 1927 - New Town: January 22, 1908 | Magne Nyborg | October 2, 1927 - New Town: January 22, 1908

Belgian biochemist, cytologist (1917-2013) | honorary doctorate of the University of the Mediterranean - Aix Marseille II (1978), honorary doctor of the

American rocket engineer (1914–1952) | Stanford University, Pasadena City College | Los Angeles: October 2, 1914 - Pasadena: June 17, 1952 | Jack Parsons

American aeronautical engineer and painter (1912-1981) | Prix d'Astronautique (1939), International Space Hall of Fame (1990), Czech Medal of Merit, 1st class (2022)

physicist (1911–2000) | Kyoto University | Fukuoka Prefecture: October 2, 1911 - April 22, 2000 | Taketani Mitsuo | Fukuoka Prefecture: October 2, 1911

Argentine writer and educator (1909–1974) | Buenos Aires: October 2, 1909 - Buenos Aires: October 27, 1974 | Jordán Bruno Genta (Jordan Bruno Genta)

British biochemist (1907-1997) | Bakerian Lecture (1954), honorary doctorate from the University of Strasbourg (1962), Lavoisier Medal (1948), honorary doctor

American physicist | Tsinghua University, Harvard University, Massachusetts Institute of Technology, University of Pennsylvania | Qinyuan County: October 2

German-American science and science-fiction writer (1906–1969) | International Fantasy Award (1951), International Space Hall of Fame (1976), Hugo Award for

Argentinian philosopher | University of Buenos Aires | Buenos Aires: October 2, 1905 - Buenos Aires: February 12, 1989 | Jorge Romero Brest | Buenos Aires

American engineer (1901–1987) | Golden Plate Award (1961), Fellow of the American Society of Mechanical Engineers, William Procter Prize for Scientific

Mexican physiologist (1900–1970) | Guggenheim Fellowship, National Prize for Arts and Sciences (1966) | Harvard University, Paris Medical Faculty, Colegio

Soviet mathematician (1898-1965) | Moscow State University, Rostov State University, University of Warsaw | Minsk: October 2, 1898 - Pyatigorsk: September 26, 1965

Ukrainian poet and writer (1897-1948) | Ukrainian Academy of Economics | Mohyliv-Podilskyi: October 2, 1897 - Blonay: October 14, 1948 | Leonid Mosendz

Belgian historian | Mechelen: October 2, 1895 - Etterbeek: January 6, 1986 | Louis Lebeer | Mechelen: October 2, 1895 - Etterbeek: January 6, 1986

Japanese chemist | Ochanomizu University | Oshikiri: October 2, 1893 - March 29, 1989 | Sechi Katō (Sechi Kato) | Oshikiri: October 2, 1893 - March 29, 1989

October 2, 1889 - Zagreb: September 15, 1914 | Robert Barbo Waxenstein | October 2, 1889 - Zagreb: September 15, 1914

Romanian physicist | Scientific Merit Order | Foltești: October 2, 1887 - Bucharest: March 11, 1975 | Eugen Bădărău (Eugen Badarau) | Foltești: October 2

Canadian-British physicist (1883-1955) | Fellow of the Royal Society of Canada, Flavelle Medal (1940) | McGill University | Carbonear: October 2, 1883

Austrian geotechnical engineer known as the "father of soil mechanics" (1883–1963) | Honorary Doctorate from the National Autonomous University of Mexico

Russian musicologist, music critic, composer and scientist (1881–1968) | Faculty of Physics and Mathematics of Moscow Imperial University, Moscow Conservatory

Faculty of Law, Charles University in Prague | October 2, 1878 - Sydney: June 20, 1994 | Emil Svoboda | October 2, 1878 - Sydney: June 20, 1994 | Faculty of

Irish physicist | Fellow of the Royal Society | Royal University of Ireland, Corpus Christi College, University College Dublin, Loreto Convent, St Peter's

German electrical manufacturer, inventor and violin maker | Chemnitz: October 2, 1872 - Dresden: June 26, 1941 | Franz Joseph Koch | Chemnitz: October 2, 1872

German chemist (1871-1949) | Leipzig University | Leisnig: October 2, 1871 - Hanover: October 23, 1949 | Wilhelm Böttger (Wilhelm Bottger) | Leisnig: October

Russian Symbolist poet (1871–1942) | October 2, 1871 - May 24, 1942 | Konstantin Alexandrovich Sünnerberg - Константин Александрович

Indian independence activist (1869–1948) | Natal Native Rebellion Medal, Kaisar-i-Hind Medal, Order of the Companions of O. R. Tambo, Time Person of the Year

German chemist (1869–1905) | Bad Teinach-Zavelstein: October 2, 1869 - Stuttgart: March 14, 1905 | Eugen Englisch | Bad Teinach-Zavelstein: October 2, 1869

Russian forest scientist (1867-1932) | Order of Saint Stanislaus, 1st class, Honoured Worker of Science and Technology of the RSFSR, Order of St. Vladimir, 3rd

Indian Hindu mystic (1866-1939) | University of Calcutta | Kolkata: October 2, 1866 - Darjeeling: September 8, 1939 | Swami Abhedananda | Kolkata: October 2

British biologist, botanist and town planner (1854-1932) | Knight Bachelor | Perth Academy, Royal School of Mines, Imperial College London | Ballater: October

Scottish chemist (1852–1916) | Barnard Medal for Meritorious Service to Science (1895), Pour le Mérite, August Wilhelm von Hofmann Medal (1903), honorary

American physician, educator, medical writer, inventor (1846–1928) | Vassar College, University of Michigan, University of Michigan Medical School, Oakwood

October 2, 1845 - Caracas: September 23, 2021 | Émile Ador (Emile Ador) | October 2, 1845 - Caracas: September 23, 2021

German chemist (1841-1921) | Deutsch Ossig: October 2, 1841 - Heidelberg: March 20, 1921 | Paul Jannasch | Deutsch Ossig: October 2, 1841 - Heidelberg: March 20, 1921

Philosopher, reformer (1840–1905) | Hare School | Bansberia: October 2, 1840 - May 20, 1905 | Protap Chunder Mozoomdar | Bansberia: October 2, 1840 - May 20, 1905

French industrialist, impressionist painter, and art collector (1833-1912) | Terrace on the Banks of the Seine at Melun | Lycée Louis-le-Grand, École polytechnique

October 2, 1828 - New Haven: December 20, 1935 | Henry Martyn Seely | October 2, 1828 - New Haven: December 20, 1935

German physicist (1826–1899) | Foreign Member of the Royal Society (1884), Bavarian Maximilian Order for Science and Art (1897), Matteucci Medal (1878)

British mathematician (1825-1900) | Trinity College Dublin | Kennington: October 2, 1825 - Hampstead: February 15, 1900 | John James Walker | Kennington

German teacher and mathematician | Osnabrück: October 2, 1821 - January 1, 1900 | Eduard Ringelmann | Osnabrück: October 2, 1821 - January 1, 1900

French chemist (1813–1891) | Jecker Prize (1860), Jecker Prize (1867), Commander of the Legion of Honour | École polytechnique | Paris: October 2, 1813

French mathematician | Knight of the Legion of Honour (1845) | University of Paris, Collège de Beauvais | Grandvilliers: October 2, 1791 - Bordeaux: June 10, 1875

French rear admiral and inventor (1756-1826) | Knight of the Legion of Honour, Officer of the Legion of Honour (1804), Knight of the Royal and Military Order

French philosopher (1754-1840) | Knight of the Royal and Military Order of Saint Louis | College of Juilly | Monna Castle: October 2, 1754 - Monna Castle