Physical and mathematical scientists

Leo Szilard

Leo Szilard (Leó Szilárd, born Leó Spitz) was a Hungarian-American physicist who conceived the nuclear chain reaction, co-patented the first nuclear reactor with Enrico Fermi, and drafted the Einstein letter that launched the Manhattan Project.

Leó Szilárd

Leó Szilárd, born Leo Spitz, was a Hungarian-American physicist who conceived the nuclear chain reaction in 1933 and helped demonstrate the first self-sustaining one in 1942.

Leon Balents

Leon Balents, born 1967, is an American theoretical physicist at UC Santa Barbara known for spin liquids, topological insulators, and his 2010 Nature review of frustrated magnets.

Léon Brillouin

Léon Brillouin (1889–1969) was a French-born physicist who helped found solid-state theory, contributed to quantum mechanics and information theory, and named Brillouin zones and Brillouin scattering.

Leon E. Borgman

Leon E. Borgman (1928–2007) was an American statistical oceanographer and University of Wyoming professor, called the father of modern ocean-wave statistical analysis and elected to the National Academy of Engineering in 1999.

Leon Emry Borgman

Leon Emry Borgman (1928–2007) was an American statistical oceanographer called the father of modern ocean-wave statistical analysis, a University of Wyoming professor elected to the National Academy of Engineering in 1999.

Leon Knopoff

Leon Knopoff (1925–2011) was an American geophysicist at UCLA for 60 years, known as the father of statistical seismology and for the spring-block model of earthquake faulting.

Leon Lucy

Leon B. Lucy (1938–2018) was an astrophysicist who founded the modern theory of radiation-driven stellar winds, co-invented smoothed-particle hydrodynamics, and won the Royal Astronomical Society's Gold Medal in 2000.

Leon M. Lederman

Leon M. Lederman (Leon Max Lederman) was an American experimental particle physicist who shared the 1988 Nobel Prize in Physics for discovering the muon neutrino.

Leon Marchlewski

Leon Marchlewski (1869–1946) was a Polish chemist who proposed a chemical kinship between chlorophyll and hemoglobin, helped found comparative biochemistry, and led the Jagiellonian University as rector.

Leon Mestel

Leon Mestel (1927–2017) was a British astronomer and authority on cosmic magnetism whose 1952 white dwarf cooling theory lets white dwarfs serve as cosmic clocks.

Leon N. Cooper

Leon N. Cooper, also known as Leon Cooper, was an American physicist at Brown University who shared the 1972 Nobel Prize in Physics for the BCS theory of superconductivity.

Léon Rosenfeld

Léon Rosenfeld (1904–1974) was a Belgian theoretical physicist, a pioneer of quantum field theory, Niels Bohr's assistant and collaborator from 1930 to 1962, and founding editor of the journal Nuclear Physics.

Léon Sanche

Léon Sanche is a Canadian physicist at the Université de Sherbrooke, a professor there since 1972, known for his 2000 Science paper showing that low-energy secondary electrons break DNA strands.

Leon Silver

Leon T. "Lee" Silver (1925–2022) was an American geologist and geochemist at Caltech who developed uranium-lead dating of zircon and trained the Apollo astronauts in field geology.

Leon Simon

Leon Simon, born 1945, is an Australian mathematician at Stanford University and a world authority on minimal surfaces who won the 1994 Bôcher and 2017 Steele Prizes.

Léon van Hove

Léon van Hove (1924–1990) was a Belgian theoretical physicist who named the van Hove singularities and correlation function, led CERN's Theory Division, and was research director general 1976–1980.

Leonard Carlitz

Leonard Carlitz (1907–1999) was an American mathematician at Duke University who published more than 770 papers on number theory, finite fields, and combinatorics, and introduced the Carlitz module.

Leonard Culhane

Leonard Culhane, known as Len Culhane, is a solar and X-ray astronomer who led UK spectrometers from the Ariel satellites to Hinode, winning the 2006 RAS Gold Medal.

Leonard Eugene Dickson

Leonard Eugene Dickson (1874–1954) was an American mathematician at the University of Chicago, known for his 1901 theory of finite fields and his three-volume History of the Theory of Numbers.

Leonard F. Konikow

Leonard F. Konikow is an American groundwater hydrologist who spent 42 years at the US Geological Survey, developing widely used solute-transport models and quantifying US groundwater depletion.

Leonard Hawkes

Leonard Hawkes (1891–1981) was a British geologist and leading authority on the geology of Iceland, who headed the geology department at Bedford College, London, from 1921 to 1956.

Leonard I. Schiff

Leonard I. Schiff (1915–1971) was an American theoretical physicist at Stanford University, author of the graduate textbook Quantum Mechanics and proposer of the gyroscope experiment Gravity Probe B.

Leonard J. Barbour

Leonard J. Barbour, born 1965 in Pretoria, is a South African supramolecular chemist and crystal engineer, formerly Distinguished Professor at Stellenbosch University and now at the University of Lincoln.

Leonard James Rogers

Leonard James Rogers (1862–1933) was a British mathematician, professor at Yorkshire College in Leeds, who proved the Rogers–Ramanujan identities in 1894 and first published Hölder's inequality.

Leonard Jimmie Savage

Leonard Jimmie Savage (1917–1971) was an American mathematician and statistician whose 1954 book The Foundations of Statistics gave the first complete axiomatization of Bayesian expected utility.

Leonard Johnston Wills

Leonard Johnston Wills (1884–1979) was a British geologist who mapped the buried Palaeozoic floor of England and Wales in late Geological Society memoirs, after survey work and a study of concealed coalfields.

Leonard M. Tender

Leonard M. Tender is an American electrochemist who spent 24 years at the U.S. Naval Research Laboratory studying microbial fuel cells and biofilm electron transport.

Leonard Mandel

Leonard Mandel (1927–2001) was a German-born physicist at the University of Rochester, a founding figure of quantum optics whose laboratory made the first observation of photon antibunching in 1977.