10,219 articles
Ralph Raphael
Ralph Alexander Raphael (1921–1998) was a British organic chemist who held senior chairs at Glasgow and Cambridge and published the 1955 monograph Acetylenic Compounds in Organic Synthesis.
Ralph S. Phillips
Ralph Saul Phillips (1913–1998) was an American mathematician at Stanford who worked in functional analysis and scattering theory and co-developed Lax–Phillips scattering theory with Peter Lax.
Ralph Walter Graystone Wyckoff
Ralph Walter Graystone Wyckoff (1897–1994) was an American chemist and crystallographer whose 1922 tables introduced the Wyckoff positions, and who pioneered X-ray studies of proteins.
Ralph Weissleder
Ralph Weissleder is a physician scientist and Thrall Professor of Radiology at Harvard Medical School who directs the Center for Systems Biology at Massachusetts General Hospital, developing molecular imaging technologies, nanoparticles, and miniaturized diagnostics for cancer.
Ralph Works Chaney
Ralph Works Chaney (1890–1971) was an American paleobotanist at the University of California, Berkeley, who first used fossil leaves to infer ancient climates and helped reveal the dawn redwood.
Ram Seshadri
Ram Seshadri is a solid-state and materials chemist at the University of California, Santa Barbara, who directs the Materials Research Laboratory and studies phosphors, thermoelectrics, and battery materials.
Ramanan Krishnamoorti
Ramanan Krishnamoorti is a chemical engineer and polymer scientist at the University of Houston, known for work on polymer nanocomposites and a leader in energy innovation there.
Ramanath Cowsik
Ramanath Cowsik is an Indian-American astroparticle physicist, the James S. McDonnell Professor of Space Sciences at Washington University in St. Louis, elected to the National Academy of Sciences in 2004.
Ramanathan Vaidhyanathan
Ramanathan Vaidhyanathan is an Indian materials chemist at IISER Pune who studies metal-organic frameworks for carbon capture, known for a 2010 Science paper on CO2 binding.
Ramesh Giri
Ramesh Giri is a Nepali-born organic and organometallic chemist, born in Chitwan, Nepal, and a professor at Pennsylvania State University known for palladium-catalyzed C–H functionalization and nickel-catalyzed migratory alkene functionalization.
Ramesh Narayan
Ramesh Narayan, born 1950 in Bombay, is an Indian-born American astrophysicist at Harvard known for accretion theory and the Event Horizon Telescope's first black hole image.
Ramin Golestanian
Ramin Golestanian, born 1971 in Paris, is a theoretical physicist known for active matter and phoretic microswimmers; he directs Living Matter Physics at MPI-DS Göttingen and is a Royal Society Fellow.
Randal D. Koster
Randal D. "Randy" Koster is an American research scientist at NASA's Goddard Space Flight Center who models land-surface processes and led the 2004 Science paper on soil moisture and precipitation.
Randall G. Hulet
Randall G. Hulet is an American atomic physicist at Rice University whose lab was among the first three to achieve Bose-Einstein condensation, in lithium atoms, in 1995.
Randall Goldsmith
Randall H. Goldsmith is an American physical and analytical chemist at the University of Wisconsin–Madison known for detecting individual molecules without fluorescent labels using optical microcavities.
Randall Q. Snurr
Randall Q. Snurr is a chemical engineer and the John G. Searle Professor at Northwestern University, known for computationally designing nanoporous materials, especially metal–organic frameworks.
Randy Ewoldt
Randy H. Ewoldt is an American rheologist and Alexander Rankin Professor at the University of Illinois Urbana-Champaign, known for measures of nonlinear viscoelasticity and a 2014 PECASE award.
Ranga Myneni
Ranga B. Myneni is a remote-sensing scientist who studies vegetation from satellites and has been a professor at Boston University since 1997, known for satellite evidence of high-latitude greening.
Rangaswamy Srinivasan
Rangaswamy Srinivasan, born 1929 in Madras, India, is a physical chemist who discovered ablative photodecomposition at IBM, the far-ultraviolet laser etching underlying LASIK and PRK eye surgery.
Ranko Richert
Ranko Richert is a physical chemist and professor at Arizona State University known for research on glass transition phenomena and dielectric relaxation in supercooled liquids and glasses.
Raoul Bott
Raoul Bott (1923–2005) was a Hungarian-born American mathematician who spent most of his career at Harvard, known for the Bott periodicity theorem and work in Morse theory and topology.
Raoul Bricard
Raoul Bricard (1870–1943 or 1944) was a French mathematician and engineer who classified flexible octahedra in 1897 and taught applied geometry at the CNAM in Paris.
Raoul Kopelman
Raoul Kopelman (1933–2023) was an Israeli-born professor at the University of Michigan for 57 years, known for the Hoshen–Kopelman algorithm, fractal kinetics, and intracellular nanosensors.
Raoult's law
Raoult's law is a law of solution thermodynamics stating that a component's vapor pressure above a liquid mixture is proportional to its mole fraction, exact for ideal solutions.
Raphael David Levine
Raphael David Levine is a chemical physicist, Max Born Emeritus Professor at the Hebrew University of Jerusalem and Distinguished Professor at UCLA, known for molecular reaction dynamics.
Raphael M. Robinson
Raphael Mitchel Robinson (1911–1995) was an American mathematician at the University of California, Berkeley who worked in logic and number theory, created Robinson arithmetic, and found five new Mersenne primes by computer in 1954.
Raphael Pumpelly
Raphael Pumpelly (1837–1923) was an American geologist and explorer, the first professionally trained Western geologist to examine China, who explained loess by secular rock disintegration and led Carnegie Institution excavations at Anau in Turkmenistan.
Raphael Tsu
Raphael Tsu is a physicist who co-invented the semiconductor superlattice with Leo Esaki at IBM, work that founded band-structure engineering and underlies quantum cascade lasers.
Raphaël Voituriez
Raphaël Voituriez, born 1976, is a French theoretical physicist and CNRS research director at the Laboratoire Jean Perrin in Paris, known for random walk theory and cell migration research.
Rashid Sunyaev
Rashid Sunyaev (Рашид Сюняев), born 1943 in Tashkent, is a Russian and German astrophysicist known for the Sunyaev–Zeldovich effect and the Shakura–Sunyaev accretion disk theory.