Physical world and mathematics

Harry Bateman

Harry Bateman (1882–1946) was an English-born mathematical physicist, professor at Caltech from 1917, known for the Bateman equation, work on partial differential equations, and the posthumous Bateman Manuscript Project.

Harry C. Dorn

Harry C. Dorn was an American fullerene chemist on the Virginia Tech faculty for fifty years, known for discovering trimetallic nitride template endohedral metallofullerenes in 1999.

Harry Cliff

Harry Cliff is an experimental particle physicist at the University of Cambridge and a member of the LHCb experiment at CERN, searching rare beauty decays for physics beyond the Standard Model.

Harry Clinton Gossard

Harry Clinton Gossard (1884–1954) was an American mathematician whose 1916 result on the Euler line gave triangle geometry the Gossard triangle and the Gossard perspector, triangle center X(402).

Harry Collins

Harry Collins, born 1943, is a British sociologist of science at Cardiff University, founder of the sociology of scientific knowledge and theorist of tacit expertise.

Harry Daghlian

Harry Daghlian, born Haroutune Krikor Daghlian Jr., was an American Manhattan Project physicist who died of acute radiation syndrome after a 1945 criticality accident at Los Alamos.

Harry Dym

Harry Dym (1938–2024) was a mathematician at the Weizmann Institute in Rehovot who worked on interpolation theory and is known for the Harry Dym equation.

Harry Fielding Reid

Harry Fielding Reid was an American seismologist and glaciologist at Johns Hopkins University who developed the elastic rebound theory of earthquakes from studies of the 1906 San Francisco earthquake.

Harry Hammond Hess

Harry Hammond Hess (1906–1969) was an American geologist and Princeton professor who proposed seafloor spreading in 1960, the mechanism underlying plate tectonics, and received the Penrose Medal in 1966.

Harry Hart (mathematician)

Harry Hart (1848–1920) was a mathematician of the linkage and coordinate geometry tradition, affiliated with the Royal Military Academy and publishing in the 1870s and 1880s.

Harry Hemley Plaskett

Harry Hemley Plaskett (1893–1980) was a Canadian astronomer and Savilian Professor of Astronomy at Oxford from 1932 to 1960, a pioneer of rigorous observational astrophysics and solar spectroscopy.

Harry Kesten

Harry Kesten (1931–2019) was a Dutch-born American mathematician who spent his career at Cornell University and proved in 1980 that the critical probability for bond percolation on the square lattice is 1/2.

Sep 20, 2026

Harry L. Swinney

Harry L. Swinney (1939–2026) was an American experimental physicist at the University of Texas at Austin known for table-top experiments on chaos, pattern formation, and turbulence.

Harry Lehmann

Harry Lehmann (1924–1998) was a German theoretical physicist who, with Symanzik and Zimmermann, co-created the LSZ reduction formula and the Källén–Lehmann spectral representation, core tools of quantum field theory.

Harry Melville (chemist)

Sir Harry Work Melville was a British physical chemist known for polymerization kinetics who left research in 1956 to lead Britain's Department of Scientific and Industrial Research.

Harry R. Allcock

Harry R. Allcock is a chemist at Pennsylvania State University who discovered polyphosphazenes, inorganic-backbone polymers used in biomaterials, and was elected to the National Academy of Engineering in 2014.

Harry Rosenbusch

Harry Rosenbusch (1836–1914) was a German petrographer and mineralogist, professor at Strasbourg and then Heidelberg from 1878 to 1908, whose Mikroskopische Physiographie established thin-section microscopy of rocks.

Harry Suhl

Harry Suhl (1922–2020) was a German-born American condensed-matter physicist known for his work on magnetism, including the Suhl instability, and a founding faculty member of UC San Diego.

Harry Vandiver

Harry Vandiver (1882–1973) was a self-taught American number theorist at the University of Texas who won the 1931 Cole Prize for work on Fermat's Last Theorem.

Harry Vereecken

Harry Vereecken is a Belgian soil physicist and hydrologist known for vadose zone hydrology and pedotransfer functions, who led the Agrosphere Institute at Forschungszentrum Jülich until 2025.

Harry Wasserman

Harry Wasserman, born Harry Herschal Wasserman (1920–2013), was an American organic chemist at Yale University known for singlet oxygen research and the vicinal tricarbonyl chemistry he originated.

Harshad number

A Harshad number, also called a Niven number, is a positive integer divisible by the sum of its digits; 1729 qualifies because 1729 = 91 × 19, the sum of its digits.

Hartland Snyder

Hartland Snyder was an American theoretical physicist who co-authored the 1939 Oppenheimer–Snyder gravitational collapse paper and the 1952 strong-focusing accelerator paper, and proposed quantized space-time in 1947.

Hartley transform

The Hartley transform is an integral transform introduced by Ralph Hartley in 1942 that, unlike the Fourier transform, gives a real-valued output for real signals.

Hartmann number

The Hartmann number (Ha) is a dimensionless quantity in magnetohydrodynamics that measures magnetic damping of an electrically conducting fluid, defined by Hartmann's 1937 work on channel flow.

Hartmut Herrmann

Hartmut Herrmann is a German atmospheric chemist, professor at Leipzig University since 1998 and head of the Atmospheric Chemistry Department at TROPOS, known for aqueous-phase photochemistry and the CAPRAM model.

Hartmut Löwen

Hartmut Löwen, born 1963 in Hamm, Germany, is a German theoretical physicist who holds the soft matter chair at Heinrich-Heine-Universität Düsseldorf and studies active matter.

Hartmuth C. Kolb

Hartmuth C. Kolb is a chemist who was first author of the 2001 paper defining click chemistry with Finn and Sharpless, and later developed the first FDA-approved tau PET tracer.

Hartree (unit)

The hartree (symbol Eh), also called the Hartree energy, is the unit of energy in the atomic unit system used in atomic physics and quantum chemistry, equal to about 27.2 electronvolts.