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Physical world and mathematics

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Francis Nimmo

Francis Nimmo is a British-born planetary geophysicist at the University of California, Santa Cruz, known for work on the interiors of Pluto, Enceladus, and the Moon.

Francis Parker Shepard

Francis Parker Shepard (1897–1985) was an American marine geologist at the Scripps Institution of Oceanography whose surveys of submarine canyons off La Jolla, California, founded marine geology on the Pacific coast.

Francis R. Boyd

Francis R. Boyd, known to colleagues as Joe, was an American experimental petrologist at the Carnegie Institution's Geophysical Laboratory who developed the pyroxene geotherm for reading the mantle's thermal structure.

Francis Reichelderfer

Francis Reichelderfer was an American meteorologist who served as chief of the U.S. Weather Bureau from 1938 to 1963, introducing radar, numerical weather prediction, and satellites into American forecasting.

Francis Simon

Francis Simon, born Franz Eugen Simon, was a German-British low-temperature physicist who invented a cheap helium liquefier and led British uranium isotope separation during World War II.

Francis Sowerby Macaulay

Francis Sowerby Macaulay (1862–1937) was an English mathematician who, while a schoolmaster at St Paul's School in London, created much of the foundation of commutative algebra.

Francis W. Aston

Francis W. Aston, also known as Francis William Aston, was a British chemist at Cambridge who invented the mass spectrograph and won the 1922 Nobel Prize in Chemistry for discovering isotopes.

Francis W. Zwiers

Francis Zwiers is a Canadian climate scientist specializing in statistical detection and attribution of climate change, formerly director of the Pacific Climate Impacts Consortium at the University of Victoria.

Francis Wheeler Loomis

Francis Wheeler Loomis was an American physicist who discovered the isotope effect in molecular spectra in 1920 and headed the University of Illinois physics department from 1929 to 1957.

Francisco (moon)

Francisco, designated Uranus XXII, is a small, dark retrograde moon of Uranus discovered in 2001, about 22 km across and the innermost of its irregular satellites.

Francisco de la Cruz

Francisco de la Cruz, born in Barcelona in 1938, is an Argentine condensed-matter physicist at the Instituto Balseiro in Bariloche, known for research on superconductors and magnetic vortices.

Francisco F. Roberto

Francisco F. Roberto, known as Frank Roberto, is a biohydrometallurgist who spent 24 years at Idaho National Laboratory before joining Newmont, and was elected to the National Academy of Engineering in 2020.

Francisco Guinea

Francisco Guinea López, born in Madrid in 1953, is a Spanish theoretical condensed matter physicist at IMDEA Nanociencia known for his work on graphene and strain engineering.

Françisco M. Raymo

Françisco M. Raymo is a chemist at the University of Miami, on the faculty since 2000, who studies photochromic oxazines and fluorescent molecular switches for super-resolution imaging.

Francisco Zaera

Francisco Zaera is a Venezuelan-born surface chemist and Distinguished Professor at UC Riverside, honored with the AVS Medard W. Welch Award in 2024 for catalysis research.

Francium

Francium (Fr), also known as element 87 or eka-caesium, is a highly radioactive alkali metal discovered by Marguerite Perey in 1939; its longest-lived isotope has a half-life of just 22 minutes.

Franck Vernerey

Franck Vernerey is a professor of mechanical engineering at the University of Colorado Boulder who studies soft and biological matter and received a Presidential Early Career Award.

Franck–Condon principle

The Franck–Condon principle, also called the Franck–Condon approximation, states that electronic transitions in molecules occur so fast the nuclei stay fixed, shaping vibronic spectra intensities.

Franck–Hertz experiment

The Franck–Hertz experiment is a 1914 physics experiment in which James Franck and Gustav Hertz showed electrons lose energy to mercury atoms in discrete 4.9 eV quanta.

Franco Cacialli

Franco Cacialli is a physicist known for work on organic semiconductor devices including LEDs and photovoltaics, professor at the Free University of Bozen-Bolzano since 2022, previously at University College London.

Franco Nori

Franco Nori is a theoretical physicist known for work on superconducting qubits and circuit QED, who led a lab at Japan's RIKEN while teaching at the University of Michigan.

François Bruhat

François Bruhat (1929–2007) was a French mathematician who worked on algebraic groups, best known for the Bruhat decomposition, the Bruhat order, and the Bruhat–Tits theory of reductive groups over local fields.

François Cosserat

François Cosserat (1852–1914) was a French railway engineer and mathematician who, with his younger brother Eugène, founded the theory of generalized continua in their 1909 treatise Théorie des corps déformables.

François Diederich

François Diederich (1952–2020) was a Luxembourg-born organic chemist who was professor of organic chemistry at ETH Zurich from 1992, known for molecular recognition, fullerenes, and fluorine's role in pharmaceuticals.

François Englert

François Englert (1932–2026) was a Belgian theoretical physicist at the Université Libre de Bruxelles who shared the 2013 Nobel Prize in Physics with Peter Higgs.

François Trèves

François Trèves, born 1930, is a mathematician and Professor Emeritus at Rutgers University known for his work with Louis Nirenberg on local solvability of linear partial differential equations.

François-Alphonse Forel

François-Alphonse Forel (1841–1912) was a Swiss physician and professor of medicine at Lausanne who founded limnology, the science of lakes, through his three-volume monograph on Lake Geneva.

François-Marie Raoult

François-Marie Raoult (1830–1901) was a French chemist at the University of Grenoble who established laws governing how dissolved substances lower a solvent's freezing point and vapor pressure, collectively known as Raoult's law.

Françoise Gasse

Françoise Gasse (died 2014) was a French paleolimnologist at CNRS who reconstructed the climate history of the Sahara and East Africa from diatoms in lake sediments, showing the Sahara was once a land of lakes.

Frank Adams

Frank Adams, born John Frank Adams, was a British algebraic topologist who introduced the Adams spectral sequence and Adams operations, and held chairs at Manchester and Cambridge.