Walther Ritz

American musician and mathematician | Thomas T. Hoopes Prize (2010) | Massachusetts Institute of Technology, Harvard College, Harvard University | Plano

Iranian Philosopher | Imam Khomeini International University, Shiraz University | Rasht: February 22, 1980 - London: January 1, 1974 | Shirzad Peik Herfeh

Belgian writer, singer-songwriter and actor | February 22, 1979 - Rehovot: February 17, 1963 | Stefaan Van Brabandt | February 22, 1979 - Rehovot: February 17, 1963

Canadian-American mathematician | Presidential Early Career Award for Scientists and Engineers (2003), Fellow of the American Mathematical Society (2013)

Russian businessperson | Medal "For Labour Valour", Medal "In Commemoration of the 300th Anniversary of Saint Petersburg" | Saint Petersburg State

German chemist | Ludwig-Maximilian-University in Munich | Munich: February 22, 1963 - Sidcup: May 29, 1917 | Uwe Bunz | Munich: February 22, 1963 - Sidcup: May

Uruguayan physicist | University of the Republic, Bryn Mawr College | Montevideo: February 22, 1963 - Munich: July 5, 2010 | Cristina Masoller | Montevideo

Chinese scientist | Northwest Minzu University | Zhugqu County: February 22, 1962 - Berkeley: January 27, 1995 | Yang Xiaoming | Zhugqu County: February 22

Azerbaijani historian | Baku State University 100th anniversary medal, Azerbaijan Democratic Republic 100th anniversary medal (2019) | Saint Petersburg State

German oceanographer and climatologist | Umweltmedienpreis (2007), Stephen H. Schneider Award (2022), Climate Communication Prize (2017), Fellow of the

Azerbaijani mathematician | Baku State University | Salyan: February 22, 1957 - Hamburg: March 17, 1962 | Vaqif Quliyev | Salyan: February 22, 1957 - Hamburg

February 22, 1954 - Berlin: March 16, 1869 | Suely Vilela | February 22, 1954 - Berlin: March 16, 1869

Russian naval engineer, ship designer and inventor of a new method of icebreaking, called the resonance method of ice destruction | Imeni Lazo District

scientist | participant in the resistance and resistance against communism | Prague: February 22, 1952 - Röttgen: October 14, 2010 | Tomáš Fassati (Tomas

philosopher | Shohrat Order | Marneuli: February 22, 1952 - Moscow: July 13, 1941 | Salahaddin Khalilov | Marneuli: February 22, 1952 - Moscow: July 13, 1941

American dancer and inventor | New York City: February 22, 1951 - Minsk: May 4, 1985 | Valerie Sutton | New York City: February 22, 1951 - Minsk: May 4, 1985

University of Bonn | February 22, 1948 - Paris: July 27, 1794 | Max Peter Baur | February 22, 1948 - Paris: July 27, 1794 | University of Bonn

Belgian law philosopher | Antwerp: February 22, 1947 - 14th arrondissement of Paris: February 1, 2023 | Frank Van Dun | Antwerp: February 22, 1947 - 14th

National Aerospace University – Kharkiv Aviation Institute | February 22, 1947 - Obninsk: August 14, 1972 | Aleksey Oleynik | February 22, 1947 - Obninsk

Norwegian philosopher | Neshornprisen (2013) | Bergen: February 22, 1945 - August 24, 1995 | Rune Slagstad | Bergen: February 22, 1945 - August 24, 1995

Serbian writer and philosopher (1943-2005) | Belgrade: February 22, 1943 - Belgrade: July 22, 2005 | Dragoš Kalajić (Dragos Kalajic) | Belgrade: February 22

Norwegian philosopher and political theorist | Fridtjof Nansen Award for outstanding research, historical-philosophical class (2006), Guggenheim Fellowship

German chemist | honorary doctor of the University of Wrocław (2005), Heyrovský medal (1995) | Rabenstein: February 22, 1939 - Vestal: May 27, 2016 | Achim

Greek mathematician | University of Rochester | Thessaloniki: February 22, 1939 - Donostia-San Sebastián: February 23, 1984 | Stylianos Negrepontis

German mathematician and logician | University of Münster | Hemer: February 22, 1939 - Berlin: January 1, 1876 | Heinz-Dieter Ebbinghaus | Hemer: February 22

Polish physicist, solid mechanics educator | Warsaw University of Technology | Mielec: February 22, 1938 - Pasym: August 14, 2009 | Wojciech Krzysztof Nowacki

Russian scientist | Order of the Red Banner of Labour, Order "For Merit to the Fatherland", 4th class, Lenin Prize, Order of the October Revolution, Order of

scientist | Lenin Komsomol Prize, USSR State Prize | Moscow State Aviation Technological University | Chernihiv: February 22, 1937 - Moscow: April 11, 1995

German engineer | Leibniz University Hannover | Zavety: February 22, 1937 - June 28, 1985 | Werner Gitt | Zavety: February 22, 1937 - June 28, 1985 | Leibniz

German mathematician | Ludwig-Maximilian-University in Munich | Deggendorf: February 22, 1936 - October 4, 2005 | Konrad Königsberger (Konrad Konigsberger)

American immunologist and microbiologist who specialized in cancer research | honorary doctor of Harvard University (2004), Alfred P. Sloan, Jr. Prize (1984)

Romanian engineer (1933-2015) | ARCA Space, Eureka, National Order of Merit | Măgureni: February 22, 1933 - Ploiești: January 19, 2015 | Justin Capră

German mathematician | RWTH Aachen University | Bischofsheim in der Rhön: February 22, 1932 - March 14, 2021 | Wilhelm Waldenfels | Bischofsheim in der Rhön

American mathematician | Fellow of the American Academy of Arts and Sciences, Fellow of the American Mathematical Society (2013) | Yale University | Newark

Mexican academic (1926–2019) | Alfonso Reyes International Prize (2001), honorary doctor of the University of Madrid Complutense (2010), National Prize for

Polish anthropologist | Idzi Radziszewski prize (2015) | Jagiellonian University | Warsaw: February 22, 1923 - Kraków: October 29, 2020 | Andrzej Półtawski

American inventor (1918–2000) | IEEE Centennial Medal, Lemelson–MIT Prize (2000), Edwin Howard Armstrong Achievement Award (1999) | Case Western Reserve University

British mathematician, philosopher, and economist | Ramsey's theorem, Ramsey theory, Ramsey problem, Ramsey–Cass–Koopmans model, Ramsey sentence

Australian scientist (1899–1959) | James Cook Medal (1956), Companion of the Order of St Michael and St George, Fellow of the Australian Academy of Science

Azerbaijani Soviet literary scholar | Excellence in People's Education of the Azerbaijan SSR, Order of the Red Banner of Labour, Honored Scientist of the

Russian mathematician | Moscow State University | Moscow: February 22, 1896 - Moscow: January 1, 1962 | Semen Kovner | Moscow: February 22, 1896 - Moscow

Polish mathematician (1893-1960) | Jagiellonian University | Zakopane: February 22, 1893 - Zakopane: February 6, 1960 | Stefan Kulczycki | Zakopane: February

Order of Lenin, Medal "For Valiant Labour in the Great Patriotic War 1941–1945", Excellence in Public Education of the RSFSR | Faculty of Physics and

Polish physicist (1889–1974) | Commander of the Order of Polonia Restituta, honorary doctor of the University of Wrocław, Honorary doctor of the Humboldt

British historian and philosopher (1889–1943) | Rugby School, University College, Oxford | Cartmel Fell: February 22, 1889 - Coniston: January 9, 1943 | R.

Indian academic | Ghazipur: February 22, 1889 - Patna: June 25, 1950 | Sahajanand Saraswati | Ghazipur: February 22, 1889 - Patna: June 25, 1950

Armenian mathematician | University of Paris, Moscow State University | Nakhichevan-on-Don: February 22, 1888 - 10th arrondissement of Paris: November 5, 1974

biologist | Fellow of the Royal Society | February 22, 1886 - London: December 23, 1949 | Clifford Dobell | February 22, 1886 - London: December 23, 1949

German author, poet and one of the leading Dada artists (1886–1927) | Karawane, Flight out of time, Hermann Hesse, Byzantinisches Christentum: Drei Heiligenleben

Moscow Imperial University, Faculty of Law | February 22, 1885 - Moscow: November 28, 1935 | Feldshtein, Mikhail Solomonovich | February 22, 1885 - Moscow

American writer | February 22, 1881 - January 1, 1962 | Axel Fredenholm | February 22, 1881 - January 1, 1962

Danish physical chemist (1879–1947) | University of Copenhagen | Varde: February 22, 1879 - Copenhagen: December 17, 1947 | Johannes Nicolaus Brønsted

American physicist (1876-1956) | Oersted Medal (1943) | DePauw University, Cornell University | St. Louis: February 22, 1876 - Iowa City: August 16, 1956

American chemist and businessman (1870–1946) | University of Pennsylvania (1892) | Philadelphia: February 22, 1870 - Bryn Mawr Hospital: April 22, 1946

Czech biologist | German University in Prague Medical School | Libyně: February 22, 1867 - Prague: January 1, 1959 | Alfred Kohn | Libyně: February 22, 1867

German chemist (1866–1931) | Technische Universität Berlin | Zielona Góra: February 22, 1866 - Dresden: September 14, 1931 | Fritz Foerster | Zielona

Dr. phil. Ludwig-Maximilians-Universität München 1889 | Ludwig-Maximilian-University in Munich | Munich: February 22, 1865 - Munich: January 1, 1930 | Rudolf

Russian physicist (1863-1921) | Kazan Federal University | Voronezh: February 22, 1863 - Perm: February 1, 1921 | Mikhail Aleksandrovich Ponomarev | Voronezh

Hungarian mathematician | Budapest University of Technology and Economics, Eötvös Loránd University, Leipzig University | Pest: February 22, 1862

German physicist (1857–1894) | Bressa Prize (1887), Rumford Medal (1890), Matteucci Medal (1888), La Caze Prize of the Academy of Sciences (1889) | Technical

British mathematician | Fellow of the Royal Society | Peterhouse, University College London | Brahmapur: February 22, 1856 - January 1, 1929 | Micaiah John

German American musicologist, lawyer, inventor and capitalist, and chess writer (1850-1915) | Columbia Law School | Wachenheim: February 22, 1850 - New York

French politician | Officer of the Legion of Honour | Strasbourg: February 22, 1849 - Le Vésinet: November 18, 1915 | Émile Wickersheimer (Emile

Russian mathematician | Moscow State University, University of Warsaw, Faculty of Physics and Mathematics of Moscow Imperial University | Tula Governorate

German philosopher (1847-1933) | University of Tübingen | Tübingen: February 22, 1847 - Vienna: March 24, 1933 | Robert Vischer | Tübingen: February 22

Swiss mountaineer and mountain guide | St. Niklaus: February 22, 1844 - St. Niklaus: April 16, 1910 | Alois Pollinger | St. Niklaus: February 22, 1844 - St.

Harvard School of Engineering and Applied Sciences | February 22, 1844 - Chicago: August 29, 1940 | James Francis Babcock | February 22, 1844 - Chicago

American botanist and chemist (1843-1914) | West Point: February 22, 1843 - Providence: February 20, 1914 | William Whitman Bailey | West Point: February 22

German mathematician and physicist (1842-1897) | honorary doctor of the University of Padua (1892) | Martin Luther University Halle-Wittenberg, University of Königsberg

February 22, 1838 - December 26, 1972 | Carl Gustaf Särnström (Carl Gustaf Sarnstrom) | February 22, 1838 - December 26, 1972

British philosopher (1836-1916) | University of Edinburgh | Mordington: February 22, 1836 - Keswick: March 4, 1916 | William Angus Knight | Mordington

British politician (1835-1908) | Fellow of the Royal Society | Florence: February 22, 1835 - Renfrew: July 8, 1908 | Archibald Campbell, 1st Baron Blythswood

French astronomer (1824-1907) | Honorary Fellow of the Royal Society of Edinburgh, Commander of the Legion of Honour (1893), Lalande Prize (1868), Knight of

German teacher and mathematician | Kitzingen: February 22, 1824 - Munich: May 31, 1899 | Gustav Adolf Kleinfeller | Kitzingen: February 22, 1824 - Munich: May 31, 1899

American activist, physician and inventor | Fellow of the American Academy of Arts and Sciences | Perelman School of Medicine at the University of

German mathematician (1817–1880) | Humboldt University of Berlin, University of Königsberg | Berlin: February 22, 1817 - Rüdersdorf bei Berlin: June 27, 1880

German chemist (1814–1904) | University of Giessen | Michelstadt: February 22, 1814 - Brunswick: June 8, 1904 | Friedrich Ludwig Knapp | Michelstadt

French chemist (1814–1894) | Commander of the Legion of Honour (1878), Officer of the Legion of Honour (1862), Knight of the Legion of Honour (1844)

Polish art historian (1806–1875) | Heidelberg University | Kraków: February 22, 1806 - Kraków: June 2, 1875 | Józef Kremer (Jozef Kremer) | Kraków

University of Freiburg | February 22, 1801 - Moscow: October 12, 2011 | Karl Alexander von Reichlin-Meldegg | February 22, 1801 - Moscow: October 12, 2011

Belgian astronomer, mathematician, statistician and sociologist (1796-1874) | Fellow of the Royal Society of Edinburgh (1835), Fellow of the American Academy

German mathematician (1793-1856) | Oberdürrbach: February 22, 1793 - Vienna: July 2, 1856 | Joseph Salomon | Oberdürrbach: February 22, 1793 - Vienna: July 2, 1856

German philosopher (1788–1860) | The World as Will and Representation, Parerga and Paralipomena | Humboldt University of Berlin, Ernestinum Gotha, University

French physicist (1785-1845) | Ham: February 22, 1785 - Paris: October 27, 1845 | Jean Charles Athanase Peltier | Ham: February 22, 1785 - Paris: October 27, 1845

Czech physicist and mathematician | Knight of the Order of Leopold (Austria) (1808) | Budweis – Linz – Gmunden horse railway | University of Vienna, Jesuit

Scottish abbot (1737-1820) | Rora: February 22, 1737 - Regensburg: April 19, 1820 | Charles Arbuthnot | Rora: February 22, 1737 - Regensburg: April 19, 1820

Artium Liberalium Magister Universiteit Leiden 1655 | Leiden University | Leiden: February 22, 1634 - Leiden: November 30, 1679 | Pieter van Schooten | Leiden