All articles starting with O
9,097 articles
Otto Schnering
Otto Schnering (1891–1953) was a Chicago confectioner who founded the Curtiss Candy Company in 1916, created the Baby Ruth bar, and built Curtiss into one of America's largest candy firms.
Otto Schönherr
Otto Schönherr (1861–1926) was a German chemist at BASF in Ludwigshafen am Rhein, twice nominated for the Nobel Prize, known for the electric-arc oxidation of nitrogen to nitric acid.
Otto Schreier
Otto Schreier (1901–1929) was an Austrian mathematician who solved Hölder's group extension problem, proved subgroups of free groups are free, and refined the Jordan–Hölder theorem.
Otto Skorzeny
Otto Skorzeny (1908–1975), Austrian-born SS-Obersturmbannführer and 'Duce-Befreier' of Mussolini at Gran Sasso; later Dachau-acquitted commando turned Madrid businessman, with scholarship downsizing his legendary commando role.
Otto Sprengel
Otto Gerhard Carl Sprengel (1852–1915) was a German surgeon, head of surgery in Braunschweig, remembered for Sprengel's deformity of the scapula and a transverse abdominal incision.
Otto Stange
Otto Stange (Otto Emerson Stange, born 2007, Hamburg) is a German striker for Hamburger SV; HSV academy product, third-youngest goalscorer in club history, Germany U19 international, loaned to SV Elversberg in 2025/26.
Otto Steinert
Otto Steinert (1915, Saarbrücken – 1978, Essen) was a German photographer, physician, and theorist who founded Subjective Photography and became one of postwar Germany's most influential photography teachers.
Otto Stern
Otto Stern was a German-born American experimental physicist who founded molecular beam physics, co-created the 1922 Stern–Gerlach experiment, and won the 1943 Nobel Prize in Physics.
Otto Stolz
Otto Stolz (1842–1905) was an Austrian mathematician, professor at the University of Innsbruck from 1872, known for the Stolz–Cesàro theorem and for coining "Archimedes' axiom".
Otto Strasser
Otto Strasser (1897–1974), German politician; with brother Gregor led the NSDAP's socialist left wing, expelled 1930, founded the Black Front, opposed Hitler from exile, later founded the Deutsche Soziale Union.
Otto Struve
Otto Struve (Отто Людвигович Струве, 1897–1963) was a Russian-born American astronomer of a famous astronomical family, known for showing that early-type stars rotate rapidly and for directing four observatories.
Otto Sverdrup
Otto Sverdrup (1854–1930) was a Norwegian sailor and Arctic explorer who captained the Fram on Nansen's 1893–1896 drift and led the Second Fram Expedition, charting the Sverdrup Islands.
Otto Szász
Otto Szász (1884–1952) was a Hungarian mathematician who held a chair at Frankfurt until the Nazis expelled him in 1933, then taught at the University of Cincinnati.
Otto the Great
Otto the Great (Otto I, 912–973), German king from 936 and first Holy Roman Emperor crowned 962, victor of Lechfeld 955, builder of the Ottonian church system and Magdeburg archbishopric.
Otto Thomas Solbrig
Otto Thomas Solbrig (1930–2023) was an Argentine evolutionary biologist and botanist at Harvard who led plant population biology research and won Japan's 1998 International Prize for Biology.
Otto Tief
Otto Tief (1889–1976) was an Estonian lawyer and politician who led the short-lived constitutional government appointed by Jüri Uluots on 18 September 1944, a symbol of Estonia's legal continuity.
Otto Toeplitz
Otto Toeplitz (1881–1940) was a German mathematician, born in Breslau, who introduced Toeplitz matrices in 1911, helped build the German school of functional analysis, and posed the inscribed-square conjecture.
Otto Toto Sugiri
Otto Toto Sugiri, also known as Toto Sugiri, is an Indonesian technology entrepreneur and CEO of DCI Indonesia, the largest data center operator in Indonesia, which he took public in 2021.
Otto Truchsess von Waldburg
Otto Truchsess von Waldburg (1514–1573) was a Swabian noble who served as Bishop of Augsburg from 1543 and cardinal from 1544, and founded the University of Dillingen.
Otto Umfrid
Otto Umfrid (1857–1920) was a German Protestant theologian and Stuttgart parish pastor who organized pacifism in imperial Germany as deputy leader of the German Peace Society.
Otto vom Rath
Otto vom Rath was a zoologist active in the 1880s whose studies of insect sense organs gave its name to vom Rath's organ, a feature of butterflies and moths.
Otto von Bismarck
Otto von Bismarck, known as the Iron Chancellor, was a Prussian statesman who unified Germany and served as its first chancellor from 1871 to 1890.
Otto von Gerlach
Otto von Gerlach (1801–1849) was a German evangelical theologian and Berlin pastor of the Awakening movement, called the Wesley of Berlin for his home missions.
Otto von Guericke
Otto von Guericke, born Otto Gericke, was a German scientist, inventor, and burgomaster of Magdeburg who invented the air pump and showed the Magdeburg hemispheres in 1654.
Otto von Guericke University Magdeburg
Otto von Guericke University Magdeburg (OVGU), founded 1993 by merging three Magdeburg institutions, is a German public university focused on engineering, natural sciences, and medicine, with about 13,100 students.
Otto von Habsburg
Otto von Habsburg (1912–2011), last crown prince of Austria-Hungary, pretender to the Habsburg throne, later Pan-European Union president (to 2004) and CSU Member of the European Parliament 1979–1999; patron of the 1989 Pan-European Picnic.
Otto von Porat
Otto von Porat was a Norwegian heavyweight boxer who won gold at the 1924 Paris Olympics, Norway's first and only Olympic boxing champion, before turning professional in 1926.
Otto von Schrön
Otto von Schrön (1837–1917) was a German pathologist who led the University of Naples' Institute of Anatomical Pathology for fifty-three years, training a generation of Italian medical scientists.
Otto Waalkes
Otto Waalkes (Otto Gerhard Waalkes, 'Otto'), German comedian, musician, actor, and cartoonist born 1948 in Emden; creator of the Ottifanten, star of Otto – Der Film (1985), German voice of Sid in Ice Age.
Otto Wallach
Otto Wallach (1847–1931) was a German organic chemist who held the chemistry chair at Göttingen and won the 1910 Nobel Prize in Chemistry for his pioneer work on alicyclic compounds, founding terpene chemistry.