All articles starting with I

Io (Ἰώ)

Io is Jupiter's innermost Galilean moon, slightly larger than Earth's Moon, and the most volcanically active body in the Solar System, with roughly 400 active volcanoes.

IO Biotech was a Copenhagen-founded, Nasdaq-listed biopharmaceutical company founded in 2014 by Mai-Britt Zocca to develop T-win therapeutic cancer vaccines; it filed for Chapter 7 liquidation in 2026.

IO Interactive

IO Interactive (IOI), Danish game developer founded 1998 in Copenhagen by the Reto-Moto/Nordisk Film team; maker of Hitman, Glacier engine, Freedom Fighters, Kane & Lynch. Independent via 2017 management buyout from Square Enix; World of Assassination sold 25 million units; developing 007 First Light (2026).

IO Tillett Wright

iO Tillett Wright (born 1985) is an American author, photographer, and podcast creator, founder of the Self Evident Truths project of 10,000 LGBTQ portraits, author of Darling Days (2016), and host of The Ballad of Billy Balls.

IO TXA trial

IO TXA trial: randomized trials of intraosseous regional tranexamic acid versus intravenous TXA in total joint arthroplasty; 2026 TKA trial (NCT07614087 pharmacokinetics) showed less blood loss but a possible DVT signal.

Oct 15, 2026

io_uring

io_uring is a Linux asynchronous I/O API introduced by Jens Axboe in Linux 5.1 in 2019, communicating through shared ring buffers instead of system calls.

Oct 15, 2026

IO-Link

IO-Link, formally the Single-drop Digital Communication Interface (SDCI), is a point-to-point digital communication interface for sensors and actuators in factory automation, standardized as IEC 61131-9 in 2013.

Sep 24, 2026

Ioakim Vatsetis

Ioakim Vatsetis (Jukums Vācietis) was a Latvian-born officer who became the first commander-in-chief of the Soviet Armed Forces, 1918 to 1919, and was executed in 1938.

Ioan Culcer

Ioan Culcer, often spelled Ion Culcer, was a Romanian engineer general who commanded the First Army at the start of the 1916 campaign in World War I.

Ioan Gruffudd

Ioan Gruffudd, Welsh actor born 1973 in Cardiff, known as Harold Lowe in Titanic, the title role in Hornblower (1998-2003), Reed Richards in Fantastic Four (2005, 2007), and leads in Liar and Harrow.

Ioan Slavici

Ioan Slavici (1848–1925) was a Transylvanian Romanian novelist, short-story writer, and journalist, regarded as the first great prose writer from Transylvania and a founder of modern Romanian prose.

Ioan Suciu

Ioan Suciu (1907–1953) was a Romanian Greek Catholic bishop, auxiliary of Oradea and apostolic administrator of Făgăraş and Alba Iulia, who died in communist imprisonment.

Sep 27, 2026

Ioan-Rareş Bogdan

Ioan-Rareş Bogdan, born 1974, in Ocna Mureş, is a Romanian National Liberal Party politician who has been a Member of the European Parliament since 2019 and chairs the Delegation for relations with Iraq.

Ioana Badea

Ioana Badea, Romanian rower (born 1964, Odobești), also spelled Iona Badea; won 1984 Los Angeles Olympic gold in women's coxed quadruple sculls with the Steaua București crew in 3:14.11.

Ioana Olteanu

Ioana Olteanu (Călin), Romanian rower born 1966 in Dracsani, won women's eight silver at Barcelona 1992 and Olympic gold at Atlanta 1996 and Sydney 2000, plus 12 World Cup medals.

Ioana Papuc Rotaru

Ioana Papuc Rotaru (Ioana Cristina Papuc-Rotaru, born 1984, Câmpulung Moldovenesc) is a Romanian rower, women's eight specialist: Olympic gold Athens 2004, bronze Beijing 2008, fourth London 2012, plus three European titles.

Ioane Sa'ula

Ioane Sa'ula (also credited Ioane Saula) is a Samoan Australian actor from Griffith, NSW, known for Vince Ingram in Bump (2021-2024) and as lead Jimmy Seufale in Stan's The F Ward (2026), plus The Fall Guy and The Deb.

Ioannina (daughter of Belisarius)

Ioannina (Joannina), only daughter of the Byzantine general Belisarius and Antonina. Betrothed 543 to Anastasius, grandson of Empress Theodora; married 547; separated by Antonina after Theodora's death in 548.

Ioannina (Ιωάννινα)

Ioannina (Ιωάννινα, Yannena), city in northwestern Greece, capital of Epirus on Lake Pamvotis; 64,896 residents (2021), Byzantine foundation, Ottoman era under Ali Pasha 1788–1822, joined Greece 1913.

Oct 10, 2026

Ioannis Argyris

Ioannis Argyris (Ιωάννης Χατζιαργύρης), known as John Hadji Argyris, was a Greek engineer, born in 1913, who pioneered computer-based structural analysis and co-founded the finite element method.

Ioannis Chasiotis

Ioannis Chasiotis is an experimental mechanician and Caterpillar Professor of Aerospace Engineering at the University of Illinois Urbana-Champaign, known for MEMS platforms that test individual nanofibers and collagen fibrils.

Ioannis Chrysafis

Ioannis Chrysafis (Ιωάννης Χρυσάφης; Athens 1873–1932) was a Greek gymnast, educator, and writer who introduced the Swedish gymnastic system into Greek schools and shaped physical education policy.

Oct 20, 2026

Ioannis Fragkoudis

Ioannis Fragkoudis (Ιωάννης Φραγκούδης, also Frangoudis), Greek army officer and shooter, born 1863, won gold, silver, and bronze in shooting at the 1896 Athens Olympics; died 1916 in Staten Island, New York.

Ioannis George Kevrekidis

Ioannis George Kevrekidis, known as Yannis Kevrekidis, is a Greek-born chemical engineer and applied mathematician at Johns Hopkins University, known for pioneering equation-free multiscale computation.

Ioannis Georgiadis

Ioannis Georgiadis (Ιωάννης Γεωργιάδης, 1876-1960), Greek sabre fencer, won gold at Athens 1896 and the 1906 Intercalated Games, later professor of forensics at the University of Athens.

Oct 10, 2026

Ioannis Iliopoulos

Ioannis (John) Iliopoulos, born 1940 in Kalamata, Greece, is a Greek theoretical physicist who co-invented the GIM mechanism, which introduced the charm quark into weak-interaction theory.

Ioannis Kapodistrias

Ioannis Kapodistrias (Ιωάννης Καποδίστριας), a Corfiot count and diplomat, was foreign minister of Russia from 1815 to 1822 before being elected first Governor of independent Greece in 1827.

Ioannis Kolettis

Ioannis Kolettis, a Greek physician and politician, was the first prime minister after an elected parliament to articulate the "Great Idea," advocating for Greek expansion in the Ottoman Empire.

Ioannis Makriyannis

Ioannis Makriyannis (Ιωάννης Μακρυγιάννης; born Ioannis Triantafyllou, ca. 1797–1864) was a Greek merchant and officer who fought in the War of Independence and wrote celebrated Memoirs.