Robert Ledley

Russian entomologist and educator | Gratitude of the Parliament of the Republic of North Ossetia-Alania, Certificate of honor from the Public Chamber of the

Croatian computer scientist (1985-) | University of Zagreb | Zagreb: June 28, 1985 - Tashkent: January 1, 1921 | Sandro Skansi | Zagreb: June 28, 1985

Indonesian computer scientist | Bandar Lampung: June 28, 1979 - Zurich: September 13, 1793 | Jim Geovedi | Bandar Lampung: June 28, 1979 - Zurich: September 13, 1793

National Pedagogical Dragomanov University | June 28, 1975 - Aberdeen: January 1, 1536 | Tetiana Sheptytska | June 28, 1975 - Aberdeen: January 1, 1536

Vietnamese math professor | Fellow of the American Mathematical Society (2013), Clay Research Award (2004), Fellow of the American Academy of Arts and

South African-Canadian-American businessman, engineer, inventor and political figure Commissioner of the United States Department of Government Efficiency and

Norwegian University of Science and Technology | June 28, 1967 - Salem: May 8, 1880 | Toril Nagelhus Hernes | June 28, 1967 - Salem: May 8, 1880 | Norwegian

Estonian educator and pedagogue | Tallinn University of Technology, University of Tartu | Kohtla-Järve: June 28, 1967 - Vienna: July 13, 1916 | Mare Roosileht

Algerian poet and journalist | Algiers: June 28, 1961 - Rijnsburg: May 21, 1719 | Katia Hacène (Katia Hacene) | Algiers: June 28, 1961 - Rijnsburg: May 21, 1719

Australian physicist | Officer of the Order of Australia (2025), Edgeworth David Medal (1992), Fellow of the Australian Academy of Science (2000), Pawsey Medal

Spanish politician and professor | Vives University Network Medal of Honor (2018) | University of Zaragoza, Autonomous University of Barcelona | Zaragoza: June

Israeli mathematician and former politician | Anna and Lajos Erdős Prize in Mathematics (1990), honorary degree, Rothschild prize, Fellow of the American

Estonian geographer, ecologist and mathematician (born 1955) | Miina Härma Gymnasium | Tartu: June 28, 1955 - February 22, 2019 | Tõnu Oja (Tonu Oja)

scientist | June 28, 1955 - Saint Petersburg: September 6, 1832 | Darko Ujević (Darko Ujevic) | June 28, 1955 - Saint Petersburg: September 6, 1832

Italian academic and astrophisicist | Palermo: June 28, 1953 - Cagliari: September 15, 2020 | Nicolò D’Amico (Nicolo D'Amico) | Palermo: June 28, 1953

Estonian astronomer | Hugo Treffner Gymnasium | June 28, 1952 - March 13, 2010 | Tõnu Tuvikene (Tonu Tuvikene) | June 28, 1952 - March 13, 2010

Estonian physicist | Tallinn University of Technology | Kuremäe: June 28, 1948 - Bonn: June 2, 1956 | Arvi Freiberg | Kuremäe: June 28, 1948 - Bonn: June 2, 1956

American mathematician,researcher and supervisor | Brouwer Medal (2017), Fermat Prize (1989), Fellow of the American Mathematical Society (2013) | Harvard

computer scientist | Babeș-Bolyai University | Baia Mare: June 28, 1945 - Łódź: May 5, 1942 | Sándor Selinger (Sandor Selinger) | Baia Mare: June 28, 1945

British theologian | Fellow of the Royal Society of Edinburgh, Fellow of the British Academy | Princeton University | London: June 28, 1945 - Greenville: July 26, 1932

American chemist | National Medal of Science (2006), Linus Pauling Award (1999), Tetrahedron Prize (2000), Prelog Medal (2015), Wilbur Cross Medal (2005)

German physicist | EPS Europhysics Prize (1982), Order of Merit of Baden-Württemberg (1986), Bavarian Maximilian Order for Science and Art (1988), Philip

American scientist and professor at the University of Southern California | Fellow of the American Association for the Advancement of Science (1990), honorary

New Zealand mathematician | Fellow of the New Zealand Mathematical Society | University of California, Los Angeles, Inglewood High School, University of Auckland

Austrian mathematician | Peter Henrici Prize (2003) | Solving Ordinary Differential Equations II | University of Innsbruck | Innsbruck: June 28, 1942

English biochemist, author and parapsychological researcher (*1942) | University of Cambridge, Clare College | Newark-on-Trent: June 28, 1942 - London: March 29, 1788

American philosopher | Lauener Prize (2016), Guggenheim Fellowship (1989), MacArthur Fellows Program | Harvard University, Princeton University | Indianapolis

Russian philosopher | Medal of the Order "For Merit to the Fatherland", 2nd class, Medal "In Commemoration of the 850th Anniversary of Moscow", Medal "For the

Estonian computer scientist | Order of the White Star, 4th Class | University of Tartu | Pärnu: June 28, 1936 - Kraków: April 16, 1888 | Rein Jürgenson

Filipino American electrical engineer and computer scientist | honorary doctorate from University of Le Havre (2009), IEEE Neural Networks Pioneer Award, IEEE

American mathematician | Wolf Prize in Mathematics (2013), Fellow of the American Association for the Advancement of Science, Fellow of the American Academy of

American mathematician | Fellow of the American Mathematical Society (2013) | University of Chicago | Chicago: June 28, 1933 - London: April 19, 1889 | Morris

Catalan chemist (1932-2017) | Barcelona: June 28, 1932 - Barcelona: October 17, 2017 | Lluís Eek Vancells (Lluis Eek Vancells) | Barcelona: June 28, 1932

Polish chemical engineer | Knight of the Order of Polonia Restituta, Gold Cross of Merit | Faculty of Chemistry, Gdańsk University of Technology | Vilnius

German mathematician | Free University Berlin, University of Göttingen | Berlin: June 28, 1931 - Cologne: March 22, 2022 | Eduard Wirsing | Berlin: June 28

American physicist (1931–2021) | Fellow of the American Association for the Advancement of Science (1992), Fellow of the American Physical Society (1976)

Irish biochemist | Nobel Prize in Physiology or Medicine (2015), Fellow of the Royal Society (2020) | University of Wisconsin–Madison, University of Dublin

American mathematician | Fellow of the American Mathematical Society (2013) | University of Kansas, Lehigh University, Liberty High School | Gettysburg: June

Northern Irish physicist (1928–1990) | Hughes Medal (1989), Fellow of the American Academy of Arts and Sciences (1987), Fellow of the Royal Society (1972)

German-American philosopher and academic | Brown University, Stanford University | Hamburg: June 28, 1928 - Palo Alto: August 3, 2019 | Kurt Mueller-Vollmer

CNRS bronze medal (1959) | June 28, 1928 - Grünwald: July 25, 2003 | Pierre Connes | June 28, 1928 - Grünwald: July 25, 2003 | CNRS bronze medal (1959)

American chemist (1927–2012) | Tolman Award (1976), Nobel Prize in Chemistry (1995), Peter Debye Award in Physical Chemistry (1993), Guggenheim Fellowship

University of Madrid (1949), University of Murcia (1947) | June 28, 1924 - Paris: October 7, 1719 | Jesús García López (Jesus Garcia Lopez) | June 28

disc golf pioneer | June 28, 1924 - August 12, 2002 | Ed Headrick | June 28, 1924 - August 12, 2002

Swiss American physicist (1922–2022) | Max Delbrück Prize in Biological Physics (1992), Fellow of the American Physical Society, Richtmyer Memorial Lecture

Dutch mathematician (1920–1994) | Gay-Lussac-Humboldt-Prize (1986), Knight of the Order of the Netherlands Lion (1985), Knight of the Legion of Honour (1981)

Romanian philosopher and writer (1919-1989) | Babeș-Bolyai University | Petrila: June 28, 1919 - Craiova: September 17, 1989 | Ion Dezideriu Sîrbu (Ion

German physicist (1912–2007) | Austrian Decoration for Science and Art (1970), honorary doctorate of the University of Basel, Ernst Hellmut Vits Award

German mathematician (1912–2007) | Cross of the Order of Merit of the Federal Republic of Germany | Ludwig-Maximilian-University in Munich | Munich: June 28

Spanish doctor and research scientist (1909–1995) | honorary doctorate of the University of Valladolid (1992), honorary doctorate of the University of

German-born American theoretical physicist (1906-1972) | Golden Plate Award (1965), Fellow of the American Physical Society, National Women's Hall of Fame

American businessman (1901-1996) | Ellis Island Medal of Honor (1990), National Hero of Armenia (1994) | Smyrna: June 28, 1901 - Detroit: July 10, 1996 | Alex

French chemist | Knight of the Legion of Honour, Three Physicists Prize | École Normale Supérieure | Strasbourg: June 28, 1900 - 14th arrondissement of

German businessman (1899–1966) | Goethe University Frankfurt | Biebesheim am Rhein: June 28, 1899 - Schwetzingen: March 28, 1966 | Max Ilgner | Biebesheim am

French flying ace | Knight of the Legion of Honour | 4th arrondissement of Paris: June 28, 1897 - Maule: January 23, 1980 | André Dubonnet (Andre Dubonnet)

scientist | National University of Colombia | June 28, 1895 - May 25, 1974 | Julio Carrizosa | June 28, 1895 - May 25, 1974 | National University of Colombia

American mathematician (1894–1980) | Royal Order of the Polar Star, Guggenheim Fellowship (1952) | Stockholm University | New York City: June 28, 1894 - La

1892-1932) American philosopher | Guggenheim Fellowship (1926) | University of California, Berkeley, Harvard University, Stockton High School | June 28, 1892

Italian historian, philosopher and librarian (1892-1972) | University of Turin | Cuneo: June 28, 1892 - Rome: October 30, 1972 | Aldo Ferrabino | Cuneo: June

Egyptian writer (1889-1964) | State Appreciation Award (1959) | afīūn al-šʿūb, Rūḥ ʻaẓīm: al-Mahātmā Ghāndī, Athar al-ʻArab fī

Bengali-Indian historian of Indian mathematics (1888-1958) | History of Hindu Mathematics: A Source Book | Presidency University, University of Calcutta

American telecommunications engineer (1886-1940) | Elliott Cresson Medal (1939), IEEE Morris N. Liebmann Memorial Award (1924) | Princeton University

Soviet pharmacologist | Template:Medal "For the Defence of the Caucasus", Honored Scientist of the RSFSR, Badge "Excellence in Healthcare of the USSR" | Taras

American inventor | June 28, 1884 - February 25, 1957 | Milo Hastings | June 28, 1884 - February 25, 1957

Polish politician (1883-1968) | Commander with Star of the Order of Polonia Restituta, Badge of the 1000th anniversary of the Polish State (1966), Grand Cross

Polish writer (1878-1911) | Maziarnia: June 28, 1878 - Florence: April 30, 1911 | Stanisław Brzozowski (Stanislaw Brzozowski | A. Czepiel) | Maziarnia: June

June 28, 1877 - Toulouse: January 1, 1897 | Ivan Yakovlevich Styazhkin | June 28, 1877 - Toulouse: January 1, 1897

French mathematician (*1875 – †1941) | Foreign Member of the Royal Society (1934), Saintour Prize (1917), Cours Peccot (1904), Poncelet Prize (1914)

Russian Orthodox Christian theologian, philosopher, priest and economist (1871–1944) | Moscow State University, Faculty of Law | Livny: June 28, 1871

American amateur radio operator | Wesleyan University | Gladstone: June 28, 1865 - Westfield: August 17, 1950 | Charles E. Apgar | Gladstone: June 28, 1865

Finnish psychologist (1860-1889) | Impilahti: June 28, 1860 - Helsinki: November 3, 1889 | Hjalmar Neiglick | Impilahti: June 28, 1860 - Helsinki: November 3, 1889

British mathematician | University of London, Bedford College | Dedham: June 28, 1858 - Rustington: October 5, 1939 | Alice Lee | Dedham: June 28, 1858

Finnish chemist and politician (1855-1921) | Iron Cross 2nd Class (1918), Order of Saint Stanislaus, 3rd class (1894), Order of Saint Stanislaus, 2nd class

Polish chemist | Boczki: June 28, 1848 - Warsaw: May 22, 1904 | Leon Nencki | Boczki: June 28, 1848 - Warsaw: May 22, 1904

French philosopher | Limoges: June 28, 1848 - Cognac-la-Forêt: September 8, 1928 | Jean Bourdeau | Limoges: June 28, 1848 - Cognac-la-Forêt: September 8, 1928

June 28, 1842 - Hubei: January 1, 0416 | Santiago Mundí i Giró (Santiago Mundi i Giro) | June 28, 1842 - Hubei: January 1, 0416

American geologist (1833-1904) | Amherst College, Dartmouth College, Bacon Academy | Bozrah: June 28, 1833 - Baker City: November 20, 1904 | Joshua Henry

French journalist (1825-1882) | former 10th arrondissement of Paris: June 28, 1825 - rue Duphot: July 15, 1882 | Henri Delaage - Henri Marie Jean Baptiste

German chemist (1825–1909) | Erlenmeyer flask | Technical University of Munich, University of Giessen, Heidelberg University | Wehen: June 28, 1825

University of Valencia, licentiate, Doctor | June 28, 1814 - January 1, 1715 | José Monserrat Riutort (Jose Monserrat Riutort) | June 28, 1814 - January 1, 1715

German philosopher (1812–1899) | University of Königsberg, Leipzig University | Schöppenstedt: June 28, 1812 - Leipzig: May 18, 1899 | Ludwig Strümpell

Brazilian scientist and museum director (1800-1854) | University of Edinburgh | Rio de Janeiro: June 28, 1800 - July 4, 1854 | João da Silva Caldeira (Joao da

French biologist (1773-1838) | Foreign Member of the Royal Society (1835) | Montbéliard: June 28, 1773 - Strasbourg: July 24, 1838 | Frédéric Cuvier

German writer and archivist | Haimhausen: June 28, 1752 - Munich: May 12, 1803 | Karl von Eckartshausen | Haimhausen: June 28, 1752 - Munich: May 12, 1803

Genevan philosopher, writer, and composer (1712–1778) | Julie, or the New Heloise, The Social Contract, Emile, or On Education, Confessions | Geneva: June

founder of the Methodist movement (1703-1791) | Christ Church, Charterhouse School | Epworth: June 28, 1703 - St Luke's: March 2, 1791 | John Wesley | Epworth

Spanish Jesuit theologian (1549-1604) | University of Alcalá | Belmonte: June 28, 1549 - Alcalá de Henares: September 30, 1604 | Gabriel Vásquez - Gabriel