Physical and mathematical scientists

Dennis Sciama

Dennis Sciama (1926–1999) was a British cosmologist who defended the steady state model of the Universe, recanted over quasar data, and mentored Stephen Hawking and Martin Rees.

Dennis Sullivan, born 1941, is an American mathematician working in topology and dynamical systems, known for rational homotopy theory and the no-wandering-domain theorem, and winner of the 2022 Abel Prize.

Dennis V. Kent

Dennis V. Kent, born 1946 in Prague, is an American paleomagnetist at Lamont-Doherty and Rutgers known for geomagnetic polarity reversals, magnetostratigraphy, and calibrating the geologic time scale.

Dennis Zaritsky

Dennis Zaritsky is an observational astronomer and Regents Professor at the University of Arizona's Steward Observatory, known for work on dark matter and satellite galaxies.

Denys Makarov

Denys Makarov is a Ukrainian-born materials scientist working on curvilinear magnetism and flexible magnetoelectronics, head of the Intelligent Materials and Systems department at the Helmholtz-Zentrum Dresden-Rossendorf since 2019.

Denys Wilkinson

Sir Denys Haigh Wilkinson (1922–2016) was a British experimental nuclear physicist who tested isospin rules, invented the Wilkinson analog-to-digital converter, and later served as Vice-Chancellor of Sussex.

Derek A. Pratt

Derek A. Pratt is a Canadian organic and chemical biology chemist, a professor at the University of Ottawa since 2010, known for research on lipid autoxidation and ferroptosis inhibitors.

Derek Barton

Derek Barton, also known as Derek H. R. Barton, was a British organic chemist who founded conformational analysis and shared the 1969 Nobel Prize in Chemistry.

Derek C. G. Muir

Derek C. G. Muir is a Canadian environmental chemist who studies persistent organic pollutants, PFAS, and mercury in Arctic environments, and was appointed an Officer of the Order of Canada in 2024.

Derek Vance

Derek Vance is an Irish isotope geochemist, Professor of Geochemistry at ETH Zurich since 2012 and a Fellow of the Royal Society elected in 2023.

Dermot O’Hare

Dermot O'Hare, born in Newry, County Down, is Professor of Organometallic and Materials Chemistry at the University of Oxford, known for layered double hydroxide nanomaterials and CO2 capture research.

Derrick Henry Lehmer

Derrick Henry Lehmer (1905–1991) was an American number theorist who proved the Lucas-Lehmer primality test for Mersenne numbers in 1930 and built mechanical number sieves.

Deryn Fogg

Deryn E. Fogg is a Canadian chemist at the University of Ottawa known for designing ruthenium olefin-metathesis catalysts and for mechanistic studies of how those catalysts decompose.

Detlef Lohse

Detlef Lohse, born in 1963 in Hamburg, Germany, is a German physicist who holds the Chair of Physics of Fluids at the University of Twente, known for turbulence and sonoluminescence.

Detlef P. van Vuuren

Detlef P. van Vuuren, also known as Detlef van Vuuren, is a Dutch climate scientist who led development of the RCP and SSP scenarios used in IPCC assessments.

Detlev Buchholz

Detlev Buchholz is a mathematical physicist known for rigorous, model-independent results in algebraic quantum field theory, including the Buchholz–Wichmann nuclearity condition, massless scattering theory, and particle weights.

Devendra Lal

Devendra Lal (1929–2012) was an Indian nuclear physicist and geophysicist who founded the use of cosmic-ray-produced isotopes as tracers and clocks, working at TIFR, the Physical Research Laboratory, and Scripps.

Devens Gust

Devens Gust is an American chemist at Arizona State University who works in artificial photosynthesis, known for the Gust–Moore–Moore collaboration and landmark Nature papers in 1984 and 2002.

Diana Liverman

Diana Liverman is a Regents Professor Emerita of geography at the University of Arizona who studies climate vulnerability, adaptation, and food security, and was elected to the National Academy of Sciences in 2020.

Sep 17, 2026

Diana Qiu

Diana Y. Qiu is a computational condensed-matter physicist and Assistant Professor at Yale University, known for first-principles many-body calculations of two-dimensional semiconductors and their excitons, and a 2025 PECASE recipient.

Didier Bourissou

Didier Bourissou is a French organometallic and main-group chemist who directs research at CNRS in Toulouse, known for gold catalysis, ambiphilic ligands, and biodegradable polymers for drug delivery.

Didier Queloz

Didier Queloz, born in 1966, is a Swiss astronomer who co-discovered 51 Pegasi b, the first planet found orbiting a Sun-like star, winning the 2019 Nobel Prize in Physics.

Didier Sornette

Didier Sornette is a French physicist and professor emeritus of Entrepreneurial Risks at ETH Zurich, known for research on predicting financial bubbles and catastrophic events.

Diederik Korteweg

Diederik Johannes Korteweg (1848–1941) was a Dutch mathematician and professor at the University of Amsterdam, known for the Korteweg–de Vries equation describing waves in shallow water.

Diederik S. Wiersma

Diederik S. Wiersma, also known as D. S. Wiersma, is a Dutch experimental physicist working on disordered photonics and random lasers, and professor at the University of Florence.

Sep 17, 2026

Dieter Bimberg

Dieter Bimberg is a German physicist known for the quantum dot laser and quantum-dot nanophotonics, who held the applied solid state physics chair at TU Berlin.

Dieter Braun

Dieter Braun, born 1970, is a German biophysicist who has been Professor of Systems Biophysics at LMU Munich since 2007, known for thermophoresis and laboratory models of molecular evolution at the origin of life.

Dieter Cremer

Dieter Cremer (1944–2017) was a German theoretical and computational chemist known for the Unified Reaction Valley Approach, local vibrational modes, and NESC relativistic methods, and a professor at SMU in Dallas.

Dieter Enders

Dieter Enders (1946–2019) was a German organic chemist who led the Institute of Organic Chemistry at RWTH Aachen and created the SAMP/RAMP chiral auxiliaries known as Enders reagent.