Scientists, inventors, and mathematicians
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- H. R. KrishnamurthyHulikal Ramaiengar Krishnamurthy (born 1951) is an Indian theoretical physicist. He specia
- H. S. M. CoxeterCanadian geometer (1907–2003)
- Hagit AttiyaIsraeli computer scientist
- Hale's lawIn solar physics, Hale's law, also known as Hale's polarity law or the Hale–Nicholson law,
- Halina AbramczykPolish physicist and chemist
- Halle Tanner Dillon JohnsonAmerican physician (1864–1901)
- Hampson–Linde cycleThe Hampson–Linde cycle is a process for the liquefaction of gases, especially for air sep
- HampsteadArea of Camden in London, England
- Hanany–Witten transitionIn theoretical physics the Hanany–Witten transition, also called the Hanany–Witten effect,
- Hanaoka SeishūJapanese surgeon
- Hannah Marie WormingtonAmerican archaeologist (1914–1994)
- Hannes AlfvénSwedish physicist and Nobel laureate (1908–1995)
- Hans AspergerAustrian physician (1906–1980)
- Hans GeigerGerman physicist (1882–1945)
- Hans Georg DehmeltGerman physicist (1922–2017)
- Hans HassAustrian biologist, film-maker, and underwater diving pioneer
- Hans Henrik ReuschHans Henrik Reusch (5 September 1852 – 27 October 1922) was a Norwegian geologist, geomorp
- Hans KopfermannGerman physicist (1895–1963)
- Hans MoravecAustrian-Canadian roboticist and futurist (born 1948)
- Hans Oeschger MedalThe Hans Oeschger Medal is an award bestowed by the European Geosciences Union (EGU) to re
- Hans SchlossbergerHans Otto Friedrich Schlossberger (born 22 September 1887 in Alpirsbach, died 27 January 1
- Har Gobind KhoranaIndian-American molecular biologist (1922–2011)
- Harald zur HausenGerman virologist (1936–2023)
- Harley FlandersHarley M. Flanders (September 13, 1925 – July 26, 2013) was an American mathematician, kno
- Harnack MedalThe highest award which is presented by the Max Planck Society for services to society is
- Harold A. Wilson (physicist)Harold Albert Wilson FRS (1 December 1874 – 13 October 1964) was an English physicist.
- Harold DavenportHarold Davenport FRS (30 October 1907 – 9 June 1969) was an English mathematician, known f
- Harold EdgertonAmerican engineer and inventor (1903-1990)
- Harold GilliesFather of plastic surgery (1882–1960)
- Harriet BrooksCanadian nuclear physicist (1876–1933)
- Harriet Louise HardyAmerican physician and professor
- Harriet Mayanja-KizzaUgandan academic
- Harris MayerHarris Louis Mayer (February 15, 1921 – September 17, 2023) was an American physicist know
- Harry NyquistSwedish-American physicist (1889–1976)
- Harvey CushingAmerican neurosurgeon (1869–1939)
- Harvey LodishHarvey Franklin Lodish (born November 16, 1941) is a molecular and cell biologist, profess
- Hash chainA hash chain is the successive application of a cryptographic hash function to a piece of
- Hasse's theorem on elliptic curvesHasse's theorem on elliptic curves, also referred to as the Hasse bound, provides an estim
- Hawk/goose effectIn ethology and cognitive ethology, the hawk/goose effect refers to a behavior observed in
- Hayaatun SillemUK Engineer
- He JiankuiChinese scientist (born 1984)
- He ZehuiChinese physicist (1914–2011)
- Heather C. AllenAmerican chemist
- Heather GravenAtmospheric scientist
- Heidi Jo NewbergAmerican astrophysicist
- Heidi LarsonHeidi J. Larson, Lady Piot is an American anthropologist and the founding director of the
- Heidi SchellmanAmerican physicist
- Heike Kamerlingh OnnesDutch physicist (1853–1926)
- Heinrich BrunsErnst Heinrich Bruns (4 September 1848 – 23 September 1919) was a German mathematician and
- Heinrich Gerhard KuhnHeinrich Gerhard Kuhn FRS (10 March 1904 – 25 August 1994) was a British physicist. A grad
- Heinrich Gustav MagnusGerman chemist and physicist (1802–1870)
- Heinrich KayserGerman physicist and spectroscopist
- Heinrich RohrerSwiss physicist (1933–2013)
- Heinrich VollmerGerman small-arms designer
- Heinrich Wilhelm Matthias OlbersGerman astronomer (1758–1840)
- Helen BattleCanadian marine biologist (1903–1994)
- Helen BlauAmerican biochemist
- Helen Burgess (scientist)Canadian conservation scientist
- Helen Dodson PrinceAmerican astronomer (1905–2002)
- Helen DyerAmerican biochemist (1895-1998)
- Helen Elizabeth NashAmerican physician (1921–2012)
- Helen F. JamesAmerican paleontologist and paleornithologist
- Helen MayoAustralian medical doctor and medical educator (1878–1967)
- Helen ParsonsAmerican biochemist (1886–1977)
- Helen Petousis-HarrisNew Zealand vaccinologist
- Helen PorterBritish botanist (1899-1987)
- Helen SpurwayHelen Spurway (12 June 1915 – 15 February 1978) was a British-Indian biologist and the sec
- Helen Thompson GaigeAmerican zoologist
- Helena Alexandrovna Timofeeff-RessovskyRussian biologist
- Hélène BarceloCanadian-American mathematician
- Hélène SparrowPolish microbiologist and public health pioneer (1891–1970)
- Helga NowotnyAustrian sociologist
- Helium atom scatteringHelium atom scattering (HAS) is a surface analysis technique used in materials science. It
- Helmi ÜprusEstonian art historian (1911-1978)
- Hendrik Wade BodeAmerican scientist and engineer (1905–1982)
- Henri CartanFrench mathematician (1904–2008)
- Henri LebesgueFrench mathematician (1875–1941)
- Henri MoissanFrench chemist and pharmacist (1852–1907)
- Henrietta Swan LeavittAmerican astronomer (1868–1921)
- Henriette Mathieu-FaraggiFrench nuclear physicist (1915–1985)
- Henrik SteffensHenrik Steffens (2 May 1773 – 13 February 1845), was a Norwegian philosopher, scientist, a
- Henry BessemerEnglish inventor (1813–1898)
- Henry Briggs (mathematician)British mathematician (1561–1630)
- Henry Clapp ShermanHenry Clapp Sherman (October 16, 1875 – October 7, 1955) was an American food chemist and
- Henry Fox TalbotEnglish photography pioneer (1800–1877)
- Henry Norris RussellAmerican astronomer (1877–1957)
- Henry RoyceEnglish engineer and car designer (1863–1933)
- Henry Sutton (inventor)Australian inventor (1855–1912)
- Henry TaubeCanadian-born American chemist (1915–2005)
- Henry Way KendallAmerican particle physicist who won the Nobel Prize in Physics
- Henry William PickersgillHenry William Pickersgill RA (3 December 1782 – 21 April 1875) was an English painter spec
- Herbert Arthur StuartHerbert Arthur Stuart (27 March 1899, Zurich – 8 April 1974, Hanover) was a German experim
- Herbert KroemerGerman–American physicist (1928–2024)
- Herbert NeedlemanAmerican researcher (1927–2017)
- Herman HollerithAmerican statistician and inventor
- Hermann Joseph MullerAmerican biologist (1890–1967)
- Hermann KnoblauchKarl Hermann Knoblauch (German pronunciation: ; 11 April 1820 – 30 June 1895) was a German
- Hermann MinkowskiGerman mathematician and physicist (1864–1909)
- Hermann OberthAustro-Hungarian German physicist and rocketry pioneer (1894–1989)
- Hermann StaudingerGerman chemist, winner of the 1953 Nobel Prize in Chemistry (1881–1965)
- Herminia IbarraProfessor of organizational behavior
- Herrad of LandsbergAlsatian nun, abbess, and author (12th-century)
- Herta Regina LengAustrian-American physicist and educator
- Hertha AyrtonEnglish electrical engineer (1854–1923)
- Hertha SponerGerman physicist and chemist (1895–1968)
- Hertzsprung (crater)Hertzsprung is an enormous lunar impact crater, or impact basin, that is located on the fa
- HexamethylbenzeneHexamethylbenzene, also known as mellitene, is a hydrocarbon with the molecular formula C1
- Hideki YukawaJapanese physicist (1907–1981)
- Hideyo NoguchiJapanese bacteriologist (1876–1928)
- Hideyo Noguchi Africa PrizeThe Hideyo Noguchi Africa Prize (野口英世アフリカ賞, Noguchi Hideyo Afurika Shō) honors men and wom
- Hieronymus FabriciusItalian physician, anatomist and surgeon (1533–1619)
- Higher category theoryIn mathematics, higher category theory is the part of category theory at a higher order, w
- Hilary BlumbergAmerican medical doctor and psychiatrist
- Hilary ParkerAmerican biostatistician and data scientist
- Hilbert's twelfth problemHilbert's twelfth problem is the extension of the Kronecker–Weber theorem on abelian exten
- Hilbrand BoschmaHilbrand Boschma (22 April 1893 – 22 July 1976) was a Dutch zoologist and director of the
- Hilda Margaret BruceBritish zoologist (1903–1974)
- Hilda Phoebe HudsonEnglish mathematician
- Hilde MangoldGerman biologist (1898–1924)
- Hildegard LamfromGreek-American virologist
- Hippocrates of Chios5th-century BC Greek mathematician and astronomer
- Hiram MaximAmerican and British inventor (1840–1916)
- Hiroshi AmanoJapanese materials scientist (born 1960)
- Hiroshi EnatsuHiroshi Enatsu (12 September 1922 – 4 August 2019) was a Japanese theoretical physicist wh
- History of women in Puerto RicoThe recorded history of Puerto Rican women can trace its roots back to the era of the Taín
- History of women's rowingWomen's rowing is the participation of women in the sport of rowing. Women row in all boat
- Homi J. BhabhaIndian nuclear physicist (1909–1966)
- Honor FellBritish scientist and zoologist
- Honoria Acosta-SisonFilipino doctor
- Hoover MedalThe Hoover Medal is an American engineering prize.
- Horace Bénédict de SaussureGenevan scientist and mountaineer (1740–1799)
- Horace Smith (inventor)American gunsmith, inventor, and businessman
- Horst Ludwig StörmerGerman physicist
- Horst Meyer (physicist)Horst Meyer (March 1, 1926 – August 14, 2016) was a Swiss scientist doing research in cond
- Household economicsHousehold economics analyses all the decisions made by a household. These analyses are bot
- How to Solve It1945 book on problem solving by George Pólya
- Howard Atwood KellyAmerican physician (1858–1943)
- Howard FloreyAustralian pathologist (1898–1968)
- Howard GarlandHoward Garland (born 27 October 1937, in Detroit) is an American mathematician, who works
- Howard H. AikenAmerican physicist
- Howard N. Potts MedalThe Howard N. Potts Medal was one of The Franklin Institute Awards for science and enginee
- Hsien WuHsien Wu (simplified Chinese: 吴宪; traditional Chinese: 吳憲; pinyin: Wú Xiàn; 24 November 18
- Hu HeshengChinese mathematician (1928–2024)
- Hu NingHu Ning (simplified Chinese: 胡宁; traditional Chinese: 胡寧; 1916–1997) was a Chinese physici
- Hua Eleanor YuCancer researcher
- Hua TuoChinese physician (c. 140–208)
- Hubert Cecil BoothEnglish engineer
- Hubert ReevesHubert Reeves CC GOQ (July 13, 1932 – October 13, 2023) was a Canadian astrophysicist and
- Hubertus StrugholdGerman-American psychologist and human experimenter (1898–1986)
- Huda ZoghbiLebanese scientist
- Hugh David PolitzerAmerican theoretical physicist
- Hugh Everett IIIAmerican scientist (1930–1982)
- Hugh FalkusHugh Falkus (15 May 1917 – 30 March 1996) was a British writer, filmmaker and presenter, W
- Hugh Owen ThomasWelsh orthopaedic surgeon
- Hugh PelhamSir Hugh Reginald Brentnall Pelham, FRS FMedSci (born 26 August 1954) is a cell biologist
- Hughes MedalAward presented by the Royal Society since 1902
- Hugo de VriesDutch botanist (1848–1935)
- Hugo SchmeisserGerman firearm designer (1884–1953)
- Huguette DelavaultFrench mathematician (1924–2003)
- Human Rights FirstHuman Rights First (formerly known as the Lawyers Committee for International Human Rights
- Human-based computationHuman-based computation (HBC), human-assisted computation, ubiquitous human computing or d
- Hunayn ibn IshaqArab Christian scholar, physician and scientist (809–873)
- Hydrographer of the NavyThe Hydrographer of the Navy is the principal hydrographical Royal Naval appointment. From

