Leon Petrosjan

American organic chemist | Fellow of the American Association for the Advancement of Science (2018), James Flack Norris Award for Outstanding Achievement in

Russian physicist | Russian Federation President Prize in Science and Innovation for Young Scientists (2010), IET Achievement Medals (2006), International

December 18, 1974 - Warsaw: February 1, 1990 | Halyna Skipalska | December 18, 1974 - Warsaw: February 1, 1990

Indian physicist (1973-) | Shanti Swarup Bhatnagar Prize for Science and Technology (2018) | Brown University, Indian Institute of Technology Kharagpur

Russian scientist in aerospace | Honoured aircraft engineer of the Russian Federation (2020) | Moscow Aviation Institute | Moscow: December 18, 1970 - Ulm

Catalan writer, physician and researcher | Joaquim Ruyra award for young adult literature (2010), Premi Carlemany (2011), Premi Ictineu (2011), Premi de

rector of Sumgait State University (since 2025) | Taraggi Medal | Oles Honchar Dnipro National University | Lerik: December 18, 1962 - Baku: June 30, 1955

Bulgarian scientist | Technical University of Varna | Varna: December 18, 1960 - Amsterdam: January 14, 1636 | Kiril Tenekedjiev | Varna: December 18, 1960

Austrian historian and author | University of Vienna | Dornbirn: December 18, 1960 - Honolulu: February 21, 1930 | Peter Melichar | Dornbirn: December 18, 1960

Ukrainian mathematician | Honored Scientist of Ukraine, Excellence in Education of Ukraine Badge, Krylov prize | National Pedagogical Dragomanov University

French academic | Commander of the French Order of Academic Palms (2024), Grand prix de philosophie (2010) | University of Poitiers, École Normale Supérieure

German astronaut | Order of Friendship of Peoples, Order of Courage, Officer's Cross of the Order of Merit of the Federal Republic of Germany, Order of Merit

British mathematician | University of Oxford | December 18, 1955 - March 30, 2012 | Anthony Scholl | December 18, 1955 - March 30, 2012 | University of Oxford

Japanese physicist | honorary doctorate at the Lorraine university (2021), Japan Academy Prize (2005), IUPAP Magnetism Award and Néel Medal (2003), Clarivate

Swedish writer (1954–2019) | Hungary: December 18, 1954 - Vadstena: January 12, 2019 | Ladislaus Horatius | Hungary: December 18, 1954 - Vadstena: January 12, 2019

South African mathematician | honorary doctor of the University of Chicago (2015), honorary doctor of the Hebrew University of Jerusalem (2010), honorary

Polish physicist and diplomat (1953-2010) | Commander of the Order of Polonia Restituta (2010), Grand Officer of the Order of the Star of Italian Solidarity

American academic | University of Alabama at Birmingham, Washington University School of Medicine | Birmingham: December 18, 1953 - November 14, 2017 | Ray L.

Austrian historian | Officer's Cross of the Order of Merit of the Federal Republic of Germany, Grand Decoration of Honour for Services to the Republic of

German Chemist | China International Science and Technology Cooperation Award (2017), Cross of the Order of Merit of the Federal Republic of Germany

American software designer and network engineer (born 1951) | SIGCOMM Award (2010), IEEE Eric E. Sumner Award (2023), National Inventors Hall of Fame (2016)

Dutch mathematician | Spinoza Prize (2002) | Utrecht University | Amsterdam: December 18, 1947 - Prague: December 18, 1848 | Henk Barendregt | Amsterdam

British astronomer | Trinity College, University of Cambridge, Churchill College, University of Oxford, St Edmund's College | Bristol: December 18, 1946

Dutch electrical engineer, physicist, inventor and university teacher (born 1946) | Edison Medal (1999), Knight of the Order of Orange-Nassau, honorary doctor

Finnish physician and politician | Commander of the Order of the Lion of Finland | North Karelia Project | University of Turku | Vaasa: December 18, 1945

American computer scientist and mathematician (1942-) | Presidential Award for Excellence in Science, Mathematics, and Engineering Mentoring (2005), Noether

German philosopher | Hamburg: December 18, 1942 - Greifswald: March 29, 1979 | Arno Ros | Hamburg: December 18, 1942 - Greifswald: March 29, 1979

Russian scientist | Medal of the Order "For Merit to the Fatherland", 2nd class, Order of Friendship, Merited Scientist of the Russian Federation, Medal

American mathematician | Fellow of the Society for Industrial and Applied Mathematics (2013), Linear Algebra and its Applications (LAA) Lecture (2006) | Auburn

Polish politician | Officer of the Legion of Honour (2016), Commander's Grand Cross of the Order of the Lithuanian Grand Duke Gediminas (1999), Commander of

German mathematician (1936-2020) | honorary doctor of the University of Giessen | Goethe University Frankfurt | Bad Endbach: December 18, 1936 - Werther: August 13, 2020

American electrochemist (1933–2024) | honorary doctorate from the University of Paris-VII (1986), ACS Award in Analytical Chemistry (1984), ACS Division of

Russian scientist | Medal "Veteran of Labour" | Penza Pedagogical Institute named after V. G. Belinsky | Penza: December 18, 1932 - July 23, 2016 | Nikolay

Norwegian physicist (1930–2007) | Norwegian Institute of Technology | Oslo: December 18, 1930 - Puerto Rico: January 17, 2007 | Tor Hagfors | Oslo: December

French physicist | Fulbright Scholarship, Knight of the French Order of Academic Palms, Knight of the Legion of Honour | École normale supérieure de jeunes filles

Belarusian historian | Diploma of the Supreme Soviet of the Byelorussian SSR (1990), Certificate of Honor of the National Assembly of the Republic of Belarus (1998)

New Zealand philosopher and psychologist (1927–2019) | honorary doctor of Massey University (2012), honorary doctorate of the Vrije Universiteit Brussel (1986)

Greek author (1927-1997) | Kaloskopi: December 18, 1927 - Filothei: March 1, 1997 | Christos Malevitsis | Kaloskopi: December 18, 1927 - Filothei: March 1, 1997

Theater scholar, educator | National University of Kharkiv, Kharkiv Conservatory | Kharkiv: December 18, 1925 - January 3, 2017 | Nina Lohvynova | Kharkiv

mathematician (1917–1988) | Lyndon word, Curtis–Hedlund–Lyndon theorem, Lyndon–Hochschild–Serre spectral sequence | Harvard University | Calais

Dutch politician (1907-1983) | honorary doctor of Louis Pasteur University (1978) | Monnickendam: December 18, 1907 - Delft: May 7, 1983 | Pieter Martinus

French medievalist and philosopher (1904–1987) | École Normale Supérieure | Péronne: December 18, 1904 - Zaragoza: August 26, 1987 | Paul Vignaux

German physicist (1903-1972) | Hamburg: December 18, 1903 - May 29, 1972 | Rudolf Hilsch | Hamburg: December 18, 1903 - May 29, 1972

American research scientist (1902–1974) | December 18, 1902 - October 8, 1974 | Adelaide Easley | December 18, 1902 - October 8, 1974

Soviet mathematician, scientist in aircraft fiight testing (1902-1960) | Order of the Red Banner of Labour, Order of the Red Star, Stalin Prize | MSU Faculty

Norwegian philosopher, mountaineer, and author (1899–1990) | The Last Messiah | Tromsø Municipality: December 18, 1899 - Asker: October 12, 1990 | Peter

Czech constructer | Vsetín: December 18, 1894 - Vsetín: December 15, 1944 | Josef Sousedík (Josef Sousedik) | Vsetín: December 18, 1894 - Vsetín: December 15, 1944

American electrical engineer and inventor (1890–1954) | IEEE Medal of Honor (1917), Knight of the Legion of Honour, honorary doctorate at the Laval

American chemist (1890-1972) | Garvan–Olin Medal (1960) | Columbia University, Western College for Women | Bogotá: December 18, 1890 - Fishkill: July 1, 1972

British physicist (1887–1962) | Knight Commander of the Order of the British Empire (1942), Fellow of the American Physical Society, Military Cross (1916)

Dutch photographer | The Hague: December 18, 1887 - Rotterdam: May 4, 1944 | Allard Othmar Holwerda | The Hague: December 18, 1887 - Rotterdam: May 4, 1944

Officer of the Order of Polonia Restituta, Commander of the Order of Polonia Restituta | TU Dresden | December 18, 1880 - Los Angeles: July 16, 1994

American film producer (1871-1953) | Academy Honorary Award | Highland Park: December 18, 1871 - Chicago: November 24, 1953 | George Kirke Spoor | Highland

German mathematician (1861–1946) | Kreuzschule, University of Göttingen | Dresden: December 18, 1861 - Dresden: November 29, 1946 | Alexander Witting

Order of Saint Anna, 3rd class | December 18, 1860 - January 1, 1909 | Yevgraf Savelyev | December 18, 1860 - January 1, 1909 | Order of Saint Anna, 3rd class

British physicist (1856-1940) | Silliman Memorial Lectures (1903), John Scott Award (1923), Hughes Medal (1902), Dalton Medal (1931), Adams Prize (1882)

American professor of philosophy (1850–1907) | Limington: December 18, 1850 - February 9, 1907 | Charles Edward Garman | Limington: December 18, 1850

Moscow Imperial University, Faculty of Law | December 18, 1848 - Klaipėda: August 10, 2017 | Nikolay Davydov | December 18, 1848 - Klaipėda: August 10, 2017

German economist and social reformer (1844–1931) | Bavarian Maximilian Order for Science and Art (1928), Adlerschild des Deutschen Reiches (1929)

French psychologist (1839-1916) | École Normale Supérieure | Guingamp: December 18, 1839 - Paris: December 9, 1916 | Théodule-Armand Ribot (Theodule-Armand

United States Navy officer (1826–1906) | United States Naval Academy | Tampa: December 18, 1826 - Lexington: December 14, 1906 | John Mercer Brooke | Tampa

American industrialist and New Jersey state senator | honorary degree | Columbia University | New York City: December 18, 1824 - Trenton: November 2, 1879

Austrian physicist, university teacher and rector (1819-1886) | University of Vienna | Vienna: December 18, 1819 - Vienna: October 29, 1886 | Viktor Pierre

British inventor (1818-1894) | Fellow of the Royal Geographical Society | Moon | Horsmonden: December 18, 1818 - Brighton: October 9, 1894 | William Moon

Dutch mathematician (1744-1817) | University of Franeker | Zijpe: December 18, 1744 - Utrecht: December 27, 1817 | Johannes Theodorus Rossijn | Zijpe: December

German theologian (1725-1791) | Martin Luther University Halle-Wittenberg | Saalfeld: December 18, 1725 - Halle (Saale): March 14, 1791 | Johann Salomo Semler

English Methodist and hymn writer (1707-1788) | Gospel Music Hall of Fame | Christ Church, Westminster School | Epworth: December 18, 1707 - London: March 29, 1788

Portuguese scientist | University of Coimbra | Santos: December 18, 1685 - Toledo: November 19, 1724 | Bartolomeu de Gusmão (Bartolomeu de Gusmao | O Padre Voador)

Swedish inventor (1661-1751) | Commander of the Order of the Polar Star | University of Harderwijk, Uppsala University | Tingstäde: December 18, 1661 - Maria

Frisian physician, mathematician and cartographer (1508–1555) | Université catholique de Louvain | Dokkum: December 18, 1508 - Leuven: June 4, 1555 | Gemma