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Physical world and mathematics

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Gérard C. Bond

Gérard C. Bond was an American marine geologist at Columbia's Lamont-Doherty Earth Observatory who identified the recurring North Atlantic climate cycles now called Bond events.

Gerard De Geer

Baron Gerard Jacob De Geer (1858–1943) was a Swedish geologist who founded varve chronology, counting annual glacial sediment layers to build the Swedish Time Scale, a roughly 13,000-year chronology of Scandinavia's last deglaciation.

Gérard de Vaucouleurs

Gérard de Vaucouleurs (1918–1995) was a French-born astronomer at the University of Texas at Austin, known for the de Vaucouleurs law, a revised galaxy classification, and the Local Supercluster.

Gerard F. Gilmore

Gerard F. Gilmore, known as Gerry Gilmore, is a British galactic astronomer at Cambridge who identified the Milky Way's thick disc and helped lead the Gaia mission.

Gérard Férey

Gérard Férey (1941–2017) was a French inorganic chemist and CNRS research director who pioneered metal-organic frameworks, designing the MIL family of porous materials for gas storage.

Gerard J. Milburn

Gerard J. Milburn is an Australian theoretical physicist at the University of Queensland known for quantum measurement theory and the 2001 KLM scheme for optical quantum computing.

Gerard K. O'Neill

Gerard K. O'Neill, also known as Gerard Kitchen O'Neill, was an American experimental physicist at Princeton University who invented the storage-ring principle behind modern particle colliders.

Gerard Kuiper

Gerard Peter Kuiper was a Dutch-born American astronomer and founder of modern planetary science, known for discovering Titan's atmosphere and the Kuiper Belt.](about 20 words)

Gerard Meijer

Gerard Meijer (born 1962) is a Dutch atomic and molecular physicist at the Fritz-Haber-Institut in Berlin, known for Stark deceleration and electrostatic trapping of cold molecules.

Gérard Mourou

Gérard Mourou, born in 1944 in Albertville, France, is a French physicist who invented chirped pulse amplification, enabling petawatt laser pulses, and won the 2018 Nobel Prize in Physics.

Gerard Parkin

Gerard Parkin, known informally as Ged Parkin, is an inorganic and organometallic chemist at Columbia University since 1988, known for synthetic models of zinc enzymes and cleaving carbon-carbon bonds.

Gérard Rauzy

Gérard Rauzy (1938–2010) was a French mathematician at the universities of Provence and Aix-Marseille II, known for Rauzy induction, Arnoux–Rauzy sequences, and the Rauzy fractal.

Gerard van Koten

Gerard van Koten, born 1942 in Haarlem, is a Dutch organometallic chemist, emeritus professor at Utrecht University, known for the NCN-pincer ligand platform used in catalysis.

Gerardus 't Hooft

Gerardus 't Hooft, also known as Gerard 't Hooft, is a Dutch theoretical physicist at Utrecht University who shared the 1999 Nobel Prize in Physics with his advisor Martinus Veltman.

Géraud Sénizergues

Géraud Sénizergues is a French computer scientist, professor of theoretical computer science at the Université de Bordeaux, who proved in 1997 that DPDA equivalence is decidable.

Gerbrand Ceder

Gerbrand Ceder is a computational materials scientist, professor at UC Berkeley and Senior Faculty Scientist at Lawrence Berkeley National Laboratory, known for computational materials design, battery cathode discoveries, and co-founding The Materials Project.

Gerchberg–Saxton algorithm

The Gerchberg–Saxton algorithm, published by R. W. Gerchberg and W. O. Saxton in 1972, is an iterative phase retrieval method that recovers phase from two intensity measurements, such as image and diffraction plane pictures.

Gerd (moon)

Gerd (Saturn LVII) is a small, retrograde irregular moon of Saturn's Norse group, about 3.5 kilometers across, first imaged in 2004 and named in 2022.

Gerd Binnig

Gerd Binnig is a German physicist who co-invented the scanning tunneling microscope at IBM Zurich and won a share of the 1986 Nobel Prize in Physics.

Gerd Faltings

Gerd Faltings is a German mathematician at the Max Planck Institute for Mathematics in Bonn who proved the Mordell conjecture, won the Fields Medal in 1986, and received the 2026 Abel Prize.

Gerd Leuchs

Gerd Leuchs (born 1950) is a German experimental physicist in quantum optics and the founding director of the Max Planck Institute for the Science of Light in Erlangen.

Gerd Schön

Gerd Schön was a German theoretical physicist who worked on superconductivity, Josephson junctions, and superconducting qubits, holding the Karlsruhe chair from 1991 until his death in 2024.

Gerhard C. Hegerfeldt

Gerhard C. Hegerfeldt is a theoretical physicist at the University of Göttingen best known for his 1974 theorem showing that strictly localized particles immediately develop probability tails arbitrarily far away.

Gerhard Dorda

Gerhard Dorda (1932–2025) was a German physicist who researched silicon MOS devices at Siemens in Munich and co-authored the 1980 paper reporting the quantum Hall effect.

Gerhard Erker

Gerhard Erker (born 1946) is a German organic and organometallic chemist, a long-time professor at the University of Münster known for frustrated Lewis pair chemistry, the metal-free activation of dihydrogen.

Gerhard Ertl

Gerhard Ertl, born 1936, is a German physical chemist at the Fritz Haber Institute in Berlin who won the 2007 Nobel Prize in Chemistry for surface chemistry.

Gerhard Gentzen

Gerhard Gentzen (Gerhard Karl Erich Gentzen, 1909–1945) was a German mathematician and logician who created natural deduction and the sequent calculus, the two main logical calculi in proof theory.

Gerhard Grüß

Gerhard Christian Grüß (1902–1950) was a German mathematician who worked in differential geometry and the calculus of variations, and is known for the Grüss inequality of 1935.

Gerhard Herzberg

Gerhard Herzberg was a German-Canadian physical chemist at the National Research Council of Canada who won the 1971 Nobel Prize in Chemistry for work on free radicals.

Gerhard Hessenberg

Gerhard Hessenberg was a German mathematician who proved in 1905 that Pappus' theorem implies Desargues' theorem, and introduced the natural sum of ordinals in set theory.