10,219 articles
Piotr Piecuch
Piotr Piecuch is a University Distinguished Professor of chemistry at Michigan State University known for developing renormalized and active-space coupled-cluster methods for bond breaking and excited states.
Piotr Rehbinder
Piotr Aleksandrovich Rehbinder (Пётр Александрович Ребиндер; 1898–1972) was a Soviet physical chemist who discovered the Rehbinder effect in 1928, founded physical-chemical mechanics, and led Soviet colloid chemistry for decades.
Piotr Zelenay
Piotr Zelenay is an electrochemist at Los Alamos National Laboratory, a Laboratory Fellow who has led the Fuel Cell Program since 2000 and is known for platinum-free fuel cell catalysts.
Placidus Plattner
Placidus Andreas Plattner (1904–1975) was a Swiss organic chemist who taught at ETH Zurich and later directed pharmaceutical research at Ciba Geigy and Hoffmann-La Roche.
Plamen Atanassov
Plamen Atanassov is a Bulgarian-trained American electrochemist and Chancellor's Professor at UC Irvine, known for iron–nitrogen–carbon fuel cell catalysts and elected president-elect of the International Society of Electrochemistry in 2025.
Po-Shen Loh
Po-Shen Loh is a mathematician at Carnegie Mellon University working in extremal combinatorics who coached the US IMO team to four first-place finishes and founded Expii.
Pol Swings
Pol Swings was a Belgian astrophysicist at the University of Liège known for the Swings effect in cometary spectra and president of the International Astronomical Union.
Polly Arnold
Polly L. Arnold is a British inorganic chemist known for her work on rare earth and actinide chemistry, and Professor of Chemistry at UC Berkeley since 2020.
Polychronis C. Tzedakis
Polychronis C. Tzedakis, known as Chronis Tzedakis, is a palaeoclimatologist and palaeoecologist who has been Professor of Physical Geography at University College London since 2009.
Polykarp Kusch
Polykarp Kusch (1911–1993) was a German-born American physicist at Columbia University who shared the 1955 Nobel Prize in Physics for his precision measurement of the electron's magnetic moment.
Poul Heegaard
Poul Heegaard (1871–1948) was a Danish mathematician whose 1898 Copenhagen thesis introduced the Heegaard splitting of 3-manifolds and whose counterexample to Poincaré duality reshaped algebraic topology.
Poul Olesen
Poul Olesen, born 1939, is a Danish theoretical physicist, emeritus at the Niels Bohr Institute in Copenhagen, known for the Nielsen-Olesen vortex and the KNO scaling law.
Pranab K. Sen
Pranab Kumar Sen (1937–2023) was an Indian-born American statistician who spent five decades at UNC Chapel Hill and was known for nonparametric statistics, rank tests, and the Sen–Theil estimator.
Prasanta Chandra Mahalanobis
Prasanta Chandra Mahalanobis was an Indian statistician who founded the Indian Statistical Institute in Calcutta, introduced the Mahalanobis distance, and architectured India's statistical system and Second Five-Year Plan.
Prashant K. Jain
Prashant K. Jain, also published as Prashant Jain, is a physical chemist who studies plasmonics and holds the G. L. Clark Professorship at the University of Illinois Urbana-Champaign.
Prashant Sonar
Prashant Sonar is an organic and printed electronics materials scientist at Queensland University of Technology in Brisbane, known for research on organic semiconductors, transistors, and solar cells.
Prashant V. Kamat
Prashant V. Kamat is a physical chemist at the University of Notre Dame known for quantum dot solar cells, perovskite photophysics, and founding editorship of ACS Energy Letters.
Prashanth W. Menezes
Prashanth W. Menezes is a materials chemist who heads the Department of Materials Chemistry for Catalysis at Helmholtz-Zentrum Berlin and studies electrocatalysts for splitting water into hydrogen and oxygen.
Preston Cloud
Preston Cloud (1912–1991) was an American paleontologist and geologist who helped found the study of Precambrian life and explained how rising atmospheric oxygen shaped Earth's earliest rocks.
Preston Webster
Preston T. Webster is a physicist at the Air Force Research Laboratory who works on infrared semiconductor detectors and leads a team developing space sensor technologies for missile warning and weather monitoring.
Prince E. Rouse
Prince E. Rouse (1917–2003) was an American physical chemist and rheologist whose 1953 Rouse model of polymer chain dynamics remains the standard starting point for molecular rheology.
Prosper-René Blondlot
Prosper-René Blondlot (1849–1930) was a French physicist at the University of Nancy, respected for measuring electromagnetic waves and the Kerr effect, best known for the nonexistent N-rays.
Ptolemy (Κλαύδιος Πτολεμαῖος)
Claudius Ptolemy (Κλαύδιος Πτολεμαῖος) was a Greek-speaking astronomer and geographer of Roman Egypt who worked in Alexandria in the second century AD and wrote the Almagest, the standard astronomy handbook until the sixteenth century.
Purnendu Κ. Dasgupta
Purnendu K. Dasgupta, known as Sandy, is an American analytical chemist at the University of Texas at Arlington, known for microdrop extraction and patented ion chromatography devices.
Puru Jena
Puru Jena, full name Purusottam Jena, is a condensed matter physicist and Distinguished Professor at Virginia Commonwealth University, known for atomic clusters, hydrogen storage, and penta-graphene.
Pyotr Kapitsa
Pyotr Kapitsa, also known as Pyotr Leonidovich Kapitsa, was a Soviet physicist who won the 1978 Nobel Prize for discovering the superfluidity of liquid helium.
Pyotr Lebedev
Pyotr Nikolaevich Lebedev (Пётр Никола́евич Ле́бедев) was a Russian physicist who in 1899 made the first measurement of light pressure on solids, confirming Maxwell's electromagnetic theory.
Pyotr Rashevsky
Pyotr Konstantinovich Rashevsky (Пётр Константинович Рашевский; 1907–1983) was a Soviet differential geometer who created polimetric geometry, proved the Chow–Rashevskii theorem, and headed Moscow State University's differential geometry department.
Q. Daniel Wang
Q. Daniel Wang is an astrophysicist and professor of astronomy at the University of Massachusetts Amherst, known for X-ray studies of hot plasma in and around galaxies.
Qi Jie Wang
Qi Jie Wang (Wang Qijie) is a Singapore-based optoelectronics researcher and President's Chair Professor at Nanyang Technological University, known for demonstrating the first electrically pumped topological laser in 2020.