Scientists, inventors, and mathematicians
Notable peoplePoliticians and leadersScientists, inventors, and mathematiciansWriters and journalistsReligious figuresRevolutionaries and activistsPhilosophers and social scientistsWritersScientists, inventors and mathematiciansMusicians and composersPhilosophers, historians, political and social scientistsVisual artistsSports figuresMilitary leaders and theoristsRebels, revolutionaries and activistsEntertainersLeaders and politiciansExplorersDirectors, producers and screenwritersBusinesspeopleScientists and inventorsMathematiciansJournalistsArtistsMusiciansCriminalsFilmmakers
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- Ian Clunies RossAustralian veterinary scientist (1899–1959)
- Ian WilmutBritish embryologist (1944–2023)
- Ibn al-NafisArab polymath and physician (1213–1288)
- Ibn Sahl (mathematician)Mathematician (c. 940-1000)
- Ibn YunusEgyptian mathematician (c. 950–1009)
- Icie HooblerAmerican biochemist
- Ida A. BengtsonAmerican bacteriologist
- Ida BarneyAmerican astronomer (1886–1982)
- Ida BusbridgeBritish mathematician, president of the Mathematical Association
- Ida FreundAustrian-British chemist
- Ida HalpernAustrian-Canadian ethnomusicologist
- Ida NoddackGerman chemist (1896–1978)
- IEEE Centennial MedalThe IEEE Centennial Medal was a medal minted and awarded in 1984 to persons deserving of s
- IEEE Edison MedalAward presented by the Institute of Electrical and Electronics Engineers (IEEE)
- IEEE Haraden Pratt AwardThe IEEE Haraden Pratt Award was established by the IEEE Board of Directors in 1971 in hon
- IEEE Medal for Environmental and Safety TechnologiesThe Medal for Environmental and Safety Technologies was established by the Institute of El
- IEEE Morris N. Liebmann Memorial AwardThe initially called Morris Liebmann Memorial Prize provided by the Institute of Radio Eng
- IEEE Richard W. Hamming MedalThe IEEE Richard W. Hamming Medal is presented annually to up to three persons, for outsta
- IET Faraday MedalAward
- Ignacy ŁukasiewiczPolish pharmacist, engineer, businessman, inventor and philanthropist
- Igor SikorskyRussian-American aviation pioneer (1889–1972)
- Igor TammSoviet physicist (1895–1971)
- Ilka AgricolaGerman mathematician
- Illumination problemIllumination problems are a class of mathematical problems that study the illumination of
- Ilya FrankSoviet physicist (1908–1990)
- Ilya PrigogineBelgian physical chemist (1917–2003)
- Indian AmericansAmericans of Indian descent
- Indian National Science AcademyNational academy in New Delhi
- Indulata SuklaIndian mathematician (1944–2022)
- Inez Beverly ProsserAmerican psychologist
- Information Coding ClassificationThe Information Coding Classification (ICC) is a classification system covering almost all
- Inga HedbergSwedish botanist (1927–2024)
- Inge LehmannDanish seismologist (1888–1993)
- Ingeborg HochmairAustrian electrical engineer
- Ingeborg SeynscheGerman mathematician
- Ingetraut DahlbergGerman philosopher, information scientist and librarian
- Ingrid DaubechiesBelgian-American physicist and mathematician (born 1954)
- Ingrith Johnson Deyrup-OlsenAmerican zoologist
- Innovative Genomics InstituteThe Innovative Genomics Institute (IGI) is an American nonprofit scientific research insti
- INSPIRE Women ActFederal bill
- Institut National pour la Recherche BiomedicaleThe Institut National de la Recherche Biomédicale (INRB) is the national medical research
- Institute for Advanced StudyPostgraduate center in New Jersey, US
- Intergalactic Computer NetworkIntergalactic Computer Network or Galactic Network (IGCN) was a computer networking concep
- International Association for LichenologyThe International Association for Lichenology (IAL) is an organisation that encourages the
- International Center for Relativistic AstrophysicsICRA, the International Center for Relativistic Astrophysics is an international research
- International Institute for Management DevelopmentInternational Institute for Management Development (IMD) is an independent academic instit
- International Meteorological OrganizationThe International Meteorological Organization (IMO; 1873–1951) was the first organization
- International Prize for BiologyThe International Prize for Biology (国際生物学賞, Kokusai Seibutsugaku-shō) is an annual award
- International Service for the Acquisition of Agri-biotech ApplicationsThe International Service for the Acquisition of Agri-biotech Applications (ISAAA) is a no
- International Society for NeurochemistryThe International Society for Neurochemistry (ISN) is a professional society for neurochem
- International Society for Stem Cell ResearchThe International Society for Stem Cell Research (ISSCR) is an independent 501(c)(3) nonpr
- International Society for the Systems SciencesThe International Society for the Systems Sciences (ISSS) is a worldwide organization for
- International Union of Basic and Clinical PharmacologyThe International Union of Basic and Clinical Pharmacology (IUPHAR) is a voluntary, non-pr
- International Union of Biochemistry and Molecular BiologyInternational non-governmental organization
- International Year of AstronomyThe International Year of Astronomy (IYA2009) was a year-long celebration of astronomy tha
- Intestinal atresiaIntestinal atresia is any congenital malformation of the structure of the intestine that c
- Ioana DumitriuRomanian-American mathematician
- Ira HerskowitzIra Herskowitz (July 14, 1946 – April 28, 2003) was an American phage and yeast geneticist
- Irène Joliot-CurieFrench chemist and physicist (1897–1956)
- Irmgard Flügge-LotzGerman-American mathematician and aerospace engineer
- Iron CrossGerman military decoration and symbol
- IronmasterManager of an iron forge or blast furnace
- Isabella AbbottHawaiian ethnobotanist
- Isabella KarleAmerican physical chemist (1921–2017)
- Isabelle RapinAutism researcher
- Isadore Gilbert MudgeAmerican librarian
- Isamu AkasakiJapanese materials scientist (1929–2021)
- Isidor RabiAmerican physicist (1898–1988)
- Ismail al-JazariMuslim engineer and artist (1136–1206)
- Isocitrate dehydrogenaseIsocitrate dehydrogenase (IDH) (EC 1.1.1.42) and (EC 1.1.1.41) is an enzyme that catalyzes
- Iva TolićCroatian agricultural biologist
- Ivan SutherlandAmerican computer scientist (born 1938)
- Ivan WallinIvan Emanuel Wallin (22 January 1883 – 6 March 1969) was an American biologist who made th
- Ivar GiaeverNorwegian–American physicist (1929–2025)