American mathematician | Tel Aviv University | Chișinău: October 31, 1973 - Hammersmith: December 30, 1695 | Dennis Gaitsgory | Chișinău: October 31, 1973

Danish mathematician | Fellow of the American Mathematical Society (2018) | Massachusetts Institute of Technology | October 31, 1972 - Geneva: September 16, 1980

French cosmologist | Irène-Joliot-Curie Prize (2017), Legion of Honour (2018), prix Thibaud (2010) | Télécom Paris, University of Chicago | Ermont: October

October 31, 1966 - Oslo: February 20, 1985 | Nunne Englund | October 31, 1966 - Oslo: February 20, 1985

October 31, 1966 - Washington, D.C.: September 15, 1962 | Ole Greger Lillevik | October 31, 1966 - Washington, D.C.: September 15, 1962

geneticist | Fellow of the American Association for the Advancement of Science (2008), EMBO Membership, Packard Fellowship for Science and Engineering (1995)

Azerbaijani scientist | Azerbaijan Architecture and Construction University | Rvarud: October 31, 1962 - Yerevan: August 9, 2016 | Elman İsgəndərov (Elman

British academic | Fellow of the Institute of Physics | Mountain Ash: October 31, 1958 - Los Angeles: March 24, 2024 | Mark Brake | Mountain Ash: October 31

Indian Chemist | Shanti Swarup Bhatnagar Prize for Science and Technology (1994), Padma Shri in science & engineering, TWAS Prize for Chemistry (2003) | St.

Czech astronomer | Nušl Prize (2015) | Charles University | Prague: October 31, 1949 - January 18, 2005 | Jan Palouš (Jan Palous) | Prague: October 31, 1949

Brazilian philosopher, university professor and translator | University of São Paulo | October 31, 1949 - May 15, 2025 | Pablo Rubén Mariconda (Pablo Ruben

Kantonsschule Solothurn, ETH Zurich | October 31, 1945 - October 29, 2020 | Rolf Jeltsch | October 31, 1945 - October 29, 2020 | Kantonsschule Solothurn, ETH Zurich

French journalist | Paris-Sorbonne University - Paris IV, School for Advanced Studies in the Social Sciences, University of Paris-Sud | Tripoli: October 31

Israeli physicist | Zeitlin High School, Tel Aviv University, Hebrew University of Jerusalem | Tel Aviv: October 31, 1945 - Jerusalem: January 1, 1968 | Yoram

English physicist | Fellow of the American Physical Society, Fellow of the American Association for the Advancement of Science | University of Oxford, Brasenose College

Italian philosopher (1943–2021) | University of Milan | Rome: October 31, 1943 - Milan: October 7, 2021 | Salvatore Veca | Rome: October 31, 1943 - Milan

Japanese chemist | Person of Cultural Merit (2011) | Kyoto University | October 31, 1942 - Santa Barbara: February 2, 2018 | Kōhei Tamao (Kohei Tamao)

British mathematician and logician (1941–2023) | University of Oxford | October 31, 1941 - August 1, 2023 | Peter Aczel | October 31, 1941 - August 1, 2023

American scientist at the Jet Propulsion Laboratory in California | California Institute of Technology | October 31, 1941 - May 17, 1989 | Dan Alderson

American philosopher of Transcendental Perspectivism and Collective Organization | Fulbright Scholarship | University of Chicago, Goethe University Frankfurt

Medal "Veteran of Labour", Republic of Tatarstan State Award for Science and Technology, Medal "For Labour Valour", Merited Scientist of the Russian Federation

Russian politician | Medal "Defender of a Free Russia" | Bauman Moscow State Technical University | Gomel: October 31, 1940 - Novotorzhsky Uyezd: April 30, 1905

French mathematician | Grenoble Alpes University | Grenoble: October 31, 1939 - Pau: September 6, 1983 | Jacques Martinet | Grenoble: October 31, 1939 - Pau

Russian chemist | Kazan Federal University | Soviet Union: October 31, 1939 - October 14, 2021 | Vitaly Plemenkov | Soviet Union: October 31, 1939 - October 14, 2021

Argentine-Canadian mathematician | University of Pennsylvania | Buenos Aires: October 31, 1938 - October 25, 2022 | Marta Bunge - Marta Irene Cavallo | Buenos

Russian mathematician | Saint Petersburg State University | Saint Petersburg: October 31, 1937 - Saint Petersburg: December 5, 2013 | Viktor Borisov | Saint

Dutch astronomer | University of Groningen | Tubbergen: October 31, 1937 - Göttingen: January 5, 2005 | Harm Jan Habing | Tubbergen: October 31, 1937

American mathematician | Paul R. Halmos - Lester R. Ford Awards (1999), Fellow of the American Mathematical Society (2013) | Rensselaer Polytechnic Institute

German chemist | Centenary Prize (1990), American Chemical Society Award for Creative Work in Synthetic Organic Chemistry (1992), August Wilhelm von Hofmann

American mathematician (1935-2020) | Josiah Willard Gibbs Lectureship (2001), George Pólya Prize, ACM Fellow (1999), Paul R. Halmos - Lester R. Ford Awards

Slovene physicist | Zois award, Order of Freedom of the Republic of Slovenia, Ambassador of Science of the Republic of Slovenia | University of Ljubljana

American philosopher (1927–2021) | Gettier problem | Cornell University, University of Massachusetts Amherst | Baltimore: October 31, 1927 - March 23, 2021

Scholar, poet, archaeologist (1926-2013) | October 31, 1926 - Wardha: March 27, 2013 | Niraj Jain | October 31, 1926 - Wardha: March 27, 2013

Nobel prize winning British chemist (1925-2004) | ACS Award for Computers in Chemical and Pharmaceutical Research (1991), Irving Langmuir Award in Chemical

American physicist, and professor (1923-2021) | Ogden: October 31, 1923 - April 10, 2021 | Lynn Stevenson | Ogden: October 31, 1923 - April 10, 2021

Chinese physicist | Academician of the Chinese Academy of Sciences (1980) | Guangxi University, University of Birmingham, University of Cambridge | Beijing

Dutch philosopher and priest (1923–1999) | October 31, 1923 - April 26, 1999 | Bernhard Möller (Bernhard Moller) | October 31, 1923 - April 26, 1999

Romanian philosopher | University of Bucharest | Bucharest: October 31, 1920 - Bucharest: July 14, 2002 | Henri Wald | Bucharest: October 31, 1920 - Bucharest

American mathematician, teacher, geometer (1919–2017) | University of Ottawa, College of Saint Benedict and Saint John's University, Saint John's Preparatory

Austrian-born essayist and Holocaust survivor (1912-1978) | Literature Award of the Bavarian Academy of the Fine Arts (1972), Preis der Stadt Wien für

Italian academic and one of the general relativity theorists and mathematical physicists in the 1960s and 1970s | honorary doctor of the University of Lille

Spanish physician, educator (1910-1985) | Grand Cross of the Civil Order of Alfonso X the Wise (1974) | Universidad Central (1944) | Segovia: October 31, 1910

African American Scientist at Argonne Lab (1907-1995) | Michigan State University | Brazil: October 31, 1907 - July 28, 1995 | Harold B. Evans | Brazil

October 31, 1904 - Ljubljana: February 14, 2010 | Branko Rudolf | October 31, 1904 - Ljubljana: February 14, 2010

American Jewish mathematician, statistician, and scientist (1902–1950) | Fellow of the Econometric Society (1939), Fellow of the American Statistical

Bulgarian chemist | Sofia University | Sofia: October 31, 1897 - Chiari: October 21, 1933 | Ivan Trifonov | Sofia: October 31, 1897 - Chiari: October 21, 1933

French mathematician (1890-1962) | Commander of the Legion of Honour | École Normale Supérieure, Sapienza University of Rome, University of Paris

École Normale Supérieure | October 31, 1885 - Caminha: August 18, 1926 | Alphonse Hennequin | October 31, 1885 - Caminha: August 18, 1926

American photographer | Washington and Lee University | Fayetteville: October 31, 1881 - Chattanooga: February 19, 1947 | James W. Bagley | Fayetteville

scientist | Saint Petersburg Theological Academy | Yaroslavl Governorate: October 31, 1873 - Smolensk: August 1, 1943 | Alexander Dyakonov | Yaroslavl

British chemist (1870-1939) | Fellow of the Royal Society, Davy Medal (1914), honorary doctor of the University of Calcutta, Longstaff Prize (1903), Knight

Polish revolutionary, antiquarian, bibliophile, historian and eponym of Voynich manuscript (1865-1930) | Vilna Realschule | Telšiai: October 31, 1865 - New

Ukrainian revolutionary and scientist (1853-1881) | International Space Hall of Fame (1976) | Korop: October 31, 1853 - Saint Petersburg: April 15, 1881

chemist, pharmacologist, politician (1851-1936) | Dej: October 31, 1851 - Budapest: September 30, 1936 | Lajos Ilosvay | Dej: October 31, 1851 - Budapest

Swiss surveyor | Kölliken: October 31, 1851 - Zurich: June 4, 1913 | Jakob Hilfiker | Kölliken: October 31, 1851 - Zurich: June 4, 1913

German politician (1842-1920) | Elberfeld: October 31, 1842 - Hamburg: July 7, 1920 | Carl August Voller | Elberfeld: October 31, 1842 - Hamburg: July 7, 1920

Danish engineer | Copenhagen: October 31, 1839 - Frederiksberg: February 6, 1915 | Niels Steenberg | Copenhagen: October 31, 1839 - Frederiksberg: February 6, 1915

German chemist (1835-1917) | Bavarian Maximilian Order for Science and Art (1891), Fellow of the American Academy of Arts and Sciences, Liebig Medal (1903)

British chemist and journalist (1832–1885) | Fellow of the Royal Society | Loughborough: October 31, 1832 - Burstow: September 20, 1885 | Walter Weldon

Swedish inventor | October 31, 1831 - August 3, 1911 | Gustaf Wittenström (Gustaf Wittenstrom) | October 31, 1831 - August 3, 1911

British physicist and inventor (1828-1914) | Fellow of the Royal Society, Knight Bachelor, Legion of Honour, Albert Medal (1906), Hughes Medal (1904)

galician writer, poet and philosopher of the Haskalah | Brody: October 31, 1824 - Leipzig: October 10, 1898 | Fabius Mieses | Brody: October 31, 1824

shorthand inventor and promoter | Essex: October 31, 1823 - Reading: June 19, 1903 | Eliza Boardman Burnz | Essex: October 31, 1823 - Reading: June 19, 1903

American businessman (1816–1889) | Litchfield: October 31, 1816 - United States: April 4, 1889 | Philo Remington | Litchfield: October 31, 1816 - United

German mathematician (1815–1897) | Helmholtz Medal (1892), Foreign Member of the Royal Society (1881), Copley Medal (1895), Bavarian Maximilian Order for

Irish physician and polymath (1809–1889) | Fellow of the Royal Society | University of Edinburgh | Limerick: October 31, 1809 - Southsea: January 8, 1889

Austrian scientist (1792-1866) | University of Vienna | Ilirska Bistrica: October 31, 1792 - Vienna: September 19, 1866 | Marian Wolfgang Koller | Ilirska

Italian physicist | Monza: October 31, 1776 - Milan: August 28, 1852 | Angelo Bellani | Monza: October 31, 1776 - Milan: August 28, 1852

French philosopher, historian, moralist (1773-1850) | Besançon: October 31, 1773 - Paris: November 9, 1850 | Joseph Droz | Besançon: October 31, 1773

English Anglican priest and poet (1758-1846) | Harrow School, St John's College | October 31, 1758 - March 24, 1846 | Thomas Gisborne | October 31, 1758

Italian physician and chemist (1729-1815) | Turin: October 31, 1729 - Vinovo: November 30, 1815 | Vittorio Amedeo Gioanetti | Turin: October 31, 1729 - Vinovo

German philosopher and university professor (1581-1641) | University of Rostock | Wesel: October 31, 1581 - Groningen: February 8, 1641 | Johannes Freitagius

German historian, physician, and physicist | Frankfurt (Oder): October 31, 1521 - Frankfurt (Oder): May 31, 1573 | Wolfgang Jobst | Frankfurt (Oder): October