Physical and mathematical scientists

Hyotcherl Ihee

Hyotcherl Ihee (이효철) is a South Korean chemist, a KAIST professor since 2003 and founding director of the IBS Center for Advanced Reaction Dynamics, known for time-resolved X-ray liquidography.

Hyoyoung Lee is a South Korean materials chemist, professor at Sungkyunkwan University and Associate Director of the IBS Center for Integrated Nanostructure Physics, known for graphene materials and single-atom electrocatalysis.

Hyron Spinrad

Hyron Spinrad (1934–2015) was an American astronomer and UC Berkeley professor who detected water vapor on Mars in 1963 and pushed galaxy redshift records to the edge of the observable Universe.

Hyunjoo Lee

Hyunjoo Lee (이현주) is a South Korean chemist and KAIST Endowed Chair Professor known for shape-controlled platinum and single-atom catalysts for fuel cells, electrolyzers, and exhaust treatment.

Hyunsoo Yang

Hyunsoo Yang is a spintronics researcher and professor of electrical and computer engineering at the National University of Singapore, known for spin-orbit torques and 2D material spintronics.

I. Michael Ross

I. Michael Ross (Isaac "Mike" Ross) is an American mathematician at the Naval Postgraduate School known for pseudospectral optimal control theory and the DIDO software.

Iain M. Johnstone

Iain M. Johnstone is an Australian-born mathematical statistician, Marjorie Mhoon Fair Professor at Stanford, known for wavelet shrinkage estimation and the distribution of the largest eigenvalue in PCA.

Iain McCulloch

Iain McCulloch is an organic semiconductor materials chemist and Fellow of the Royal Society who directs Princeton's Andlinger Center and designs semiconducting polymers like pBTTT.

Ian Affleck

Ian Affleck was a Canadian theoretical physicist at the University of British Columbia known for the AKLT model of quantum spin chains and the Affleck-Dine mechanism for baryogenesis.

Ian Agol

Ian Agol is an American mathematician at the University of California, Berkeley, who works on hyperbolic 3-manifolds and won the 2016 Breakthrough Prize in Mathematics.

Ian Axford

Ian Axford (1933–2010) was a New Zealand space physicist who led the Max Planck Institute for Aeronomy and shaped theories of the magnetosphere and cosmic rays.

Sep 17, 2026

Ian B. Spielman

Ian B. Spielman (born 1976) is an American atomic physicist at NIST and a Fellow of the Joint Quantum Institute, known for engineering synthetic gauge fields in ultracold atoms.

Ian C. Percival

Ian C. Percival, born 1931, is a British physicist, Fellow of the Royal Society, and emeritus professor at Queen Mary University of London known for his 1973 conjecture on quantum chaos.

Sep 17, 2026

Ian Coddington

Ian Coddington is a physicist at NIST in Boulder, Colorado, known as a pioneer of dual-comb spectroscopy, whose open-path laser instruments measure methane and other trace gases for emissions monitoring.

Sep 17, 2026

Ian Dell'Antonio

Ian Dell'Antonio is an observational astronomer and Professor of Physics at Brown University who uses weak gravitational lensing to map dark matter and study galaxy clusters.

Ian G. Macdonald

Ian G. Macdonald, also known as Ian Grant Macdonald, was a British pure mathematician, born in 1928 and died in 2023, best known for the Macdonald polynomials.

Ian H. Hutchinson

Ian H. Hutchinson is a plasma physicist and Professor Emeritus at MIT who led the Alcator C-Mod tokamak for fusion research and wrote the standard textbook Principles of Plasma Diagnostics.

Ian Heilbron

Sir Ian Morris Heilbron (1886–1959) was a Scottish organic chemist, a world authority on squalene who helped introduce DDT, contributed to penicillin chemistry, and won the Davy and Royal Medals.

Ian Joughin

Ian Joughin is a glaciologist at the University of Washington's Applied Physics Laboratory known for measuring and modeling the flow of the Greenland and Antarctic Ice Sheets.

Ian Manners

Ian Manners (1961–2023) was a British-Canadian chemist who pioneered organometallic polymers and crystallization-driven self-assembly, holding a Canada 150 Research Chair at the University of Victoria.

Ian McDougall (geochronologist)

Ian McDougall (1935–2018) was an Australian geochronologist at the Australian National University known for argon dating, the geomagnetic reversal time-scale, and dating Turkana Basin hominin sites.

Ian Morison

Ian Morison (1943–2024) was a British radio astronomer at the University of Manchester's Jodrell Bank Observatory who helped develop the MERLIN array and served as the 35th Gresham Professor of Astronomy from 2007 to 2011.

Ian Robinson (physicist)

Ian K. Robinson is a condensed-matter physicist who established surface X-ray diffraction as a standard technique and pioneered Bragg coherent diffraction imaging, holding chairs at University College London and Brookhaven National Laboratory.

Ian Stewart (mathematician)

Ian Stewart, born in Folkestone in 1945, is a British mathematician who spent his career at the University of Warwick studying dynamical systems and symmetry, and has written more than 120 books.

Ian W. D. Dalziel

Ian W. D. Dalziel is a British-born field geologist and tectonicist known for mapping the Southern Andes and West Antarctica and for work on the supercontinent Rodinia.

Ian W. Hamley

Ian W. Hamley, born 1965, is a soft-matter physical chemist and Diamond Professor of Physical Chemistry at the University of Reading, known for research on block copolymer and peptide self-assembly.

Ian Walmsley

Ian A. Walmsley is a British quantum optics scientist known for the SPIDER pulse-measurement technique and the first demonstration of Boson Sampling, and Provost of Imperial College London from 2018 to 2025.

Ib Madsen

Ib Madsen, born 1942 in Copenhagen, is a Danish algebraic topologist who spent 37 years at the University of Aarhus, proved Mumford's conjecture, and shared the 2011 Ostrowski Prize.

Ichirō Satake

Ichirō Satake (佐武一郎, 1927–2014) was a Japanese mathematician who taught at the University of Tokyo and UC Berkeley and is known for the Satake isomorphism, Satake diagrams, and the Satake compactification.