Jean Piaget

scientist | Duke University, Cornell University | Angier: August 9, 1987 - Kent: April 30, 1696 | Stephanie Patrick - Stephanie Claire Cordato | Angier: August

German professor of Scandinavian Studies | Berlin: August 9, 1974 - Druskininkai: October 23, 2011 | Thomas Mohnike | Berlin: August 9, 1974 - Druskininkai

Laboratory Operations researcher | Dalhousie University, McMaster University | Halifax: August 9, 1964 - Rawalpindi: November 22, 2002 | Thomas Mason

Colombian-Canadian physician, philosopher, innovator, writer and humanist | University of Oxford, Pontifical Xavierian University | Medellín: August 9, 1963

German physicist | Wittgenstein-Prize (2023) | Ludwig-Maximilian-University in Munich | Ochsenhausen: August 9, 1962 - Montreux: February 7, 1872 | Hans

researcher | K.E. Tsiolkovsky Prize | Smolensk State Medical University | Bryansk: August 9, 1962 - Saint Petersburg: August 24, 2019 | Alexander Abrosimov

Russian political scientist | Princeton University, MSU The Institute of Asian and African Studies | Moscow: August 9, 1959 - Saint Petersburg: February 21, 2016

Medal of the Order "For Merit to the Fatherland", 2nd class, Russian government prize for science and technology, Order of Friendship | National Research

German politician | Officer's Cross of the Order of Merit of the Federal Republic of Germany, Order of Merit of the Free State of Saxony (2009) | TU Dresden

French physicist, catholic priest and theologian | École normale supérieure Paris-Saclay, Facultés Loyola Paris | Fontainebleau: August 9, 1954 - Belgrade

Russian scientist | Prize of the Government of the Russian Federation in the field of education, Merited Scientist of the Russian Federation | I.M. Sechenov

Polish cosmologist, astrophysicist | Moscow State University | Warsaw: August 9, 1952 - Piaseczno: January 28, 2012 | Roman Juszkiewicz | Warsaw: August 9

Spanish politician | Technical University of Madrid, University of Barcelona | Lleida: August 9, 1952 - Zaragoza: March 28, 1924 | Àngel Ros - Àngel Ros

American philosopher | August 9, 1951 - Alupka: October 8, 1936 | Bart Schultz | August 9, 1951 - Alupka: October 8, 1936

French philosopher | École Normale Supérieure | Épernay: August 9, 1949 - Rome: February 26, 1878 | Gérard Raulet (Gerard Raulet) | Épernay: August 9

University Nancy II, University of Strasbourg | August 9, 1949 - Tower Hill: July 16, 1535 | Jean-Claude Larchet | August 9, 1949 - Tower Hill: July 16, 1535

Japanese chemist | American Chemical Society Award for Creative Work in Synthetic Organic Chemistry (2004) | Nagoya University, Harvard University | Anjo

German author (1948–2005) | National University of Kharkiv | Odesa: August 9, 1948 - Hanover: April 18, 2005 | Jakov Semenovič Landa (Jakov Semenovic Landa)

German mathematician and museum director | Hau: August 9, 1948 - Giussano: November 9, 1850 | Norbert Ryska | Hau: August 9, 1948 - Giussano: November 9, 1850

French psychoanalyst | August 9, 1946 - Tunja: January 1, 1742 | Jean-Claude Maleval | August 9, 1946 - Tunja: January 1, 1742

Portuguese scientist | Grand Officer of the Military Order of Saint James of the Sword | Maputo: August 9, 1945 - Châtenay-Malabry: October 14, 1803

Russian scientist | VDNKh bronze medal, Order of St. Sergius of Radonezh 3rd class, Honoured Higher education employee of the Russian Federation | Moscow State

American mathematician (1944–2018) | MSU Faculty of Mechanics and Mathematics, Moscow State University | Washington, D.C.: August 9, 1944 - Danville: April 30, 2018

French physicist | Officer of the Legion of Honour (2019), Knight of the Legion of Honour (2002) | Vic-sur-Cère: August 9, 1943 - Burlington: July 30, 2006

Polish philosopher | Medal of the Centenary of Regained Independence, Grand Cross of the Order of Polonia Restituta, Commander with Star of the Order of

American mathematician | Fellow of the Association for Women in Mathematics (2018), Fellow of the American Mathematical Society (2013) | Courant Institute of

professor, philosopher, Catholic priest and Brazilian politician, state deputy and federal deputy for the State of Bahia | Catholic University of Pernambuco

Austrian sociologist | Fellow of the American Association for the Advancement of Science (2011), Great Silver Medal of Honour for Services to the Republic of

Russian chemist | Merited Scientist of the Russian Federation, USSR State Prize | Rostov State University | Rostov-on-Don: August 9, 1936 - Rostov-on-Don

Soviet-Ukrainian physicist | Order of Merit (Ukraine), 2nd class, Honored badge of merit of the President of Ukraine, State Prize of Ukrainian SSR in Science

Polish religious servant, theologian, philosopher and writer (1929-2020) | Idzi Radziszewski prize (2005), Knight of the Order of Polonia Restituta, Polonia

German mathematician and professor at ETH Zurich (1928-2017) | ETH Zurich | Berlin: August 9, 1928 - March 30, 2017 | Konrad Voss | Berlin: August 9, 1928

German chemist, university teacher and non-fiction writer (1928-2021) | August-Kekulé-Medaille (1988) | Wrocław: August 9, 1928 - Berlin: September 18, 2021

American cognitive scientist (1927-2016) | honorary doctorate (1987), IJCAI Award for Research Excellence (1991), honorary doctor of the Université libre de

University of Illinois Urbana–Champaign, University of Sydney | August 9, 1924 - Überlingen: November 25, 1958 | Eleonora Clara Gyarfas | August 9, 1924

Indian physicist (1923-2008) | Presidency College, University of Madras, Victoria University of Manchester, University of Manchester | Chennai: August 9, 1923

British physicist (1922-1987) | King's College London, University of St Andrews | August 9, 1922 - February 6, 1987 | Donald MacCrimmon MacKay | August 9, 1922

American nuclear physicist (1919–1986) | Fellow of the American Physical Society | Lyons Township High School, University of Chicago | La Grange: August 9

August 9, 1919 - March 23, 2021 | Helmut Gipper | August 9, 1919 - March 23, 2021

American nuclear physicist (1911-1995) | Vetlesen Prize (1973), Henry Norris Russell Lectureship (1963), National Medal of Science (1974), Guggenheim

Canadian physicist | Officer of the Order of Canada, Fellow of the Royal Society of Canada | Queen's University, Central Technical School, University of Saskatchewan

America aerospace engineer, first Native American female engineer. | Society of Women Engineers, American Indian Science and Engineering Society | Northeastern

Order of the Red Banner of Labour | MSU Faculty of Physics | August 9, 1908 - Kraków: June 4, 2016 | Evgeny Kondorsky | August 9, 1908 - Kraków: June 4

Italian physicist (1900–1969) | Sapienza University of Rome | Rome: August 9, 1900 - Rome: June 17, 1969 | Enrico Persico | Rome: August 9, 1900 - Rome: June

Austrian-American psychiatrist | University of Vienna | Vienna: August 9, 1898 - September 23, 1987 | Edith Klemperer | Vienna: August 9, 1898 - September 23, 1987

German physical chemist known for the Debye-Hückel Theory and the Hückel method | Otto Hahn Prize for Chemistry and Physics (1965), Foreign Member of the

Soviet philosopher (1892–1964) | Faculty of History and Philology of Moscow University, Moscow State University | Ivanovo: August 9, 1892 - Moscow: January 31, 1964

Indian mathematician and librarian (1892–1972) | Margaret Mann Citation (1970), Library Hall of Fame, Padma Shri in literature and education | Five laws of

Chinese scientist (1890–1974) | Academician of the Chinese Academy of Sciences (1955) | Columbia University, Massachusetts Institute of Technology | Fuzhou

Finnish philosopher and psychologist (1890-1958) | University of Helsinki, Helsinki Normal Lyceum | Alajärvi: August 9, 1890 - Kirkkonummi: July 31, 1958

August 9, 1886 - Maribor: March 19, 1939 | Franjo Bratina | August 9, 1886 - Maribor: March 19, 1939

French chemist (1883-1965) | Ghent: August 9, 1883 - June 17, 1965 | Maurice de Keghel | Ghent: August 9, 1883 - June 17, 1965

German physicist (1883–1970) | University of Göttingen | Berlin: August 9, 1883 - Hamburg: April 24, 1970 | Paul Richard Heinrich Blasius | Berlin: August

Italian philosopher (1878-1959) | Gautieri Award (1918) | Naples: August 9, 1878 - Pisa: September 30, 1959 | Armando Carlini | Naples: August 9, 1878 - Pisa

August 9, 1877 - Rome: July 25, 1963 | Giovanni Colazza | August 9, 1877 - Rome: July 25, 1963

New Zealand agricultural chemist, botanist and photographer (1871–1951) | Fellow of the Royal Institute of Chemistry, Fellow of the Chemical Society, Hector

American businesswoman (1869-1957) | Peoria High School | Metropolis: August 9, 1869 - Chicago: May 10, 1957 | Annie Malone - Annie Minerva Turnbo

Dutch writer (1868-1920) | August 9, 1868 - April 15, 1920 | Henri W.PH.E. van den Bergh van Eysinga | August 9, 1868 - April 15, 1920

Russian engineer (1861-1931) | Bauman Moscow State Technical University | Moscow: August 9, 1861 - Moscow: November 10, 1931 | Vladimir Chaplin | Moscow

August 9, 1860 - London: January 1, 1884 | Joseph Serre | August 9, 1860 - London: January 1, 1884

Spanish writer (1859-1933) | Grand Cross of the Order of Civil Merit (1928), Grand Cross of the Military Merit - White Badge (1918), Cross of the Military

chemist | Jecker Prize (1895) | Joinville: August 9, 1847 - Paris: July 10, 1917 | Charles Joseph Tanret | Joinville: August 9, 1847 - Paris: July 10, 1917

German physicist, inventor and precision clockmaker (1847–1912) | honorary doctor of the University of Munich, John Scott Award (1894) | Technical University of Munich

German chemist (1846-1927) | Heidelberg University | Mannheim: August 9, 1846 - Berlin: October 18, 1927 | Ludwig Darmstaedter | Mannheim: August 9, 1846

German agronomist (1843–1942) | honorary doctorate of the University of Natural Resources and Life Sciences, Vienna (1919) | Karlsruhe Institute of

French engineer | Commander of the Legion of Honour | École polytechnique | Paris: August 9, 1841 - Paris: January 1, 1924 | Charles-Marie Gariel | Paris

Romanian mathematician | Mines ParisTech | Bucharest: August 9, 1840 - January 29, 1889 | Ioan Mire Melik | Bucharest: August 9, 1840 - January 29, 1889

American automotive pioneer | Atkinson: August 9, 1836 - Oakland: February 16, 1925 | Frank Atwood Huntington | Atkinson: August 9, 1836 - Oakland: February 16, 1925

British doctor | Fellow of the Royal Institute of Chemistry | London: August 9, 1836 - Bearsted: April 29, 1913 | Matthew Algernon Adams | London: August 9

British firearms designer | Hawick: August 9, 1831 - Short Beach: February 24, 1904 | James Paris Lee | Hawick: August 9, 1831 - Short Beach: February 24, 1904

Dutch philosopher (1822-1893) | Freiherr-vom-Stein-Gymnasium | Switzerland: August 9, 1822 - Rome: May 20, 1893 | Jacob Moleschott | Switzerland: August 9

Austrian poet and philosopher (1821–1902) | Mikulov: August 9, 1821 - Brno: December 3, 1902 | Heinrich Landesmann. | Mikulov: August 9, 1821 - Brno: December 3, 1902

Belgian philosopher and university teacher (1819-1901) | Free University of Brussels | City of Brussels: August 9, 1819 - Saint-Josse-ten-Noode: November 28, 1901

writer (1784-1858) | Rio de Janeiro: August 9, 1784 - Niterói: December 2, 1858 | Francisco do Monte Alverne | Rio de Janeiro: August 9, 1784 - Niterói

Italian scientist | University of Turin | Turin: August 9, 1776 - Turin: July 9, 1856 | Amedeo Avogadro - Lorenzo Romano Amede | Turin: August 9, 1776 - Turin

Grand Cross of the Royal and Military Order of Saint Louis | August 9, 1741 - Strasbourg: October 25, 1813 | Joseph Saturnin de Peytes | August 9, 1741

Italian scientist | Mannheim: August 9, 1726 - Sassari: November 20, 1778 | Francesco Cetti | Mannheim: August 9, 1726 - Sassari: November 20, 1778

French mathematician (*1602 – †1675) | Roberval balance | Collège de France | Noël-Saint-Martin: August 9, 1602 - Paris: October 27, 1675 | Gilles de