42,772 articles
Hans Frederick Blichfeldt
Hans Frederick Blichfeldt (1873–1945) was a Danish-born American mathematician who spent his career at Stanford University, working in group theory and the geometry of numbers.
Hans Freudenthal
Hans Freudenthal (1905–1990) was a German-born Dutch mathematician at Utrecht University who founded the theory of ends, introduced the suspension in homotopy theory, and pioneered realistic mathematics education.
Hans G. Börner
Hans G. Börner, also known as Hans Börner, is a German polymer chemist and materials scientist who has been a professor at Humboldt-Universität zu Berlin since 2009, known for sequence-defined biohybrid polymers.
Hans Geiger
Hans Geiger (Johannes Wilhelm Geiger, 1882–1945) was a German experimental physicist whose alpha-scattering experiments with Marsden verified Rutherford's nuclear atom and whose particle counter became the Geiger–Müller tube.
Hans Geitel
Hans Geitel, full name Hans Friedrich Karl Geitel (1855–1923), was a German physicist and schoolteacher in Wolfenbüttel who, with Julius Elster, published about 130 papers pioneering radioactivity research and atmospheric electricity.
Hans Georg Dehmelt
Hans Georg Dehmelt was a German-American physicist at the University of Washington who developed the Penning trap and shared the 1989 Nobel Prize in Physics.
Hans Hahn (mathematician)
Hans Hahn (1879–1934) was an Austrian mathematician who proved the Hahn–Banach theorem in 1927, co-founded the Vienna Circle, and was the doctoral adviser of Kurt Gödel.
Hans Hamburger
Hans Ludwig Hamburger (1889–1956) was a German mathematician known for the Hamburger moment problem, extending the Stieltjes moment problem to the whole real line in 1920–21.
Hans Heilbronn
Hans Heilbronn, also known as Hans Arnold Heilbronn, was a German-born mathematician who proved Gauss's class number conjecture in 1934, showed Riemann-type hypotheses fail for general zeta-functions, and posed the Heilbronn triangle problem.
Hans Heinrich Landolt
Hans Heinrich Landolt (1831–1910) was a Swiss-born chemist who spent his career in Germany, discovered the iodine clock reaction, ran the first rigorous test of conservation of mass, and gave his name to Landolt-Börnstein.
Hans Hellmann
Hans Hellmann (1903–1938) was a German theoretical chemist who helped found quantum chemistry, originated the pseudopotential method for heavy atoms, and wrote the first quantum chemistry textbooks before being executed in the Soviet Union in 1938.
Hans J. Herrmann
Hans J. Herrmann (born 1954) is a German theoretical and computational physicist known for work on granular media and sand dunes, a CNRS researcher in Paris since 2019.
Hans Jakob Wörner
Hans Jakob Wörner is a Swiss-based physicist and physical chemist, a full professor at ETH Zurich known for attosecond spectroscopy of molecules and liquids and attosecond control of chiral photoionization.
Hans Joachim Schellnhuber
Hans Joachim Schellnhuber, known as John Schellnhuber, is a German climate scientist who founded the Potsdam Institute and introduced climate tipping elements and the 2 °C warming limit.
Hans Kramers
Hans Kramers, full name Hendrik Anthony Kramers, was a Dutch theoretical physicist (1894–1952) and Niels Bohr's first assistant, known for the Kramers–Heisenberg dispersion formula and WKB method.
Hans Lewy
Hans Lewy (1904–1988) was a German-born American mathematician who worked on partial differential equations, joined UC Berkeley in 1935, and co-created the Courant–Friedrichs–Lewy stability condition.
Hans Maass
Hans Maass (1911–1992) was a German mathematician and Heidelberg professor, trained under Erich Hecke, who founded the theory of non-holomorphic modular forms, now called Maass forms, in his 1949 paper.
Hans Martin Senn
Hans Martin Senn is a Swiss-born theoretical and computational chemist, a lecturer and group leader at the University of Glasgow since 2007, known for QM/MM methods for biomolecular systems.
Hans Meerwein
Hans Meerwein was a German organic chemist (1879–1965) whose work on carbocations and oxonium salts produced named reactions such as the Meerwein–Ponndorf–Verley reduction and the Wagner–Meerwein rearrangement.
Hans Oeschger
Hans Oeschger (1927–1998) was a Swiss climatologist and professor at the University of Bern who pioneered measuring ancient atmospheric CO2 in polar ice and identified abrupt Dansgaard–Oeschger climate events.
Hans P. Eugster
Hans P. Eugster (Hans-Peter Eugster, 1925–1987) was a Swiss-born American experimental petrologist and geochemist at Johns Hopkins University, known for the oxygen buffer technique and saline lake geochemistry.
Hans Peter Jørgen Julius Thomsen
Hans Peter Jørgen Julius Thomsen (1826–1909) was a Danish chemist and founder of thermochemistry who made over 3,500 calorimetric measurements and proposed an 1895 periodic system used by Niels Bohr.
Hans Petersson
Hans Petersson (1902–1984) was a German mathematician who introduced the Petersson inner product on cusp forms and the Ramanujan–Petersson conjecture, and led the Mathematical Institute at Münster.
Hans Pettersson
Hans Pettersson (1888–1966) was a Swedish physicist and oceanographer, professor of oceanography at Gothenburg, who led the 1947–1948 Albatross deep-sea expedition, whose 20-meter sediment cores marked the beginning of palaeoceanography.
Hans Rademacher
Hans Rademacher (1892–1969) was a German-born mathematician and one of the twentieth century's most influential number theorists, best known for his exact convergent series for the partition function p(n), published in 1937.
Hans Raj Tiwary
Hans Raj Tiwary is a Czech-based mathematician and theoretical computer scientist at Charles University in Prague, known for proving exponential lower bounds on linear programs, recognized with the 2023 Gödel Prize.
Hans Ramberg
Hans Ramberg was a Norwegian geologist who studied mountain-chain formation and crustal deformation, building the Hans Ramberg Tectonic Laboratory at Uppsala University and writing Gravity, Deformation and the Earth's Crust in 1967.
Hans Schouten
Hans Schouten is a marine geophysicist and Scientist Emeritus at Woods Hole Oceanographic Institution, co-author of a 2003 Nature paper defining an ultraslow-spreading class of ocean ridge.
Hans Suess
Hans Suess (1909–1993) was an Austrian-born American geochemist, professor at UC San Diego from 1958 to 1977, known for the Suess effect and work on nuclear shell model.
Hans Thacher Clarke
Hans Thacher Clarke was an American organic chemist who chaired Columbia's biochemistry department for nearly three decades, determined the thiazole structure of vitamin B1, and coordinated wartime penicillin research.