906 articles
Lloyd S. Cluff
Lloyd S. Cluff (died 2019) was an American earthquake geologist, elected to the National Academy of Engineering in 1978, who led earthquake risk management at PG&E.
Louis Agassiz
Louis Agassiz, born Jean Louis Rodolphe Agassiz (1807–1873), was a Swiss-born American naturalist who championed the ice age theory and founded Harvard's Museum of Comparative Zoology in 1859.
Louis B. Slichter
Louis B. Slichter was an American geophysicist at MIT and UCLA who pioneered the study of inverse problems, earth tides, and the earth's free oscillations.
Louis Dollo
Louis Antoine Marie Joseph Dollo (1857–1931) was a Belgian paleontologist who reconstructed the Bernissart Iguanodon skeletons, pioneered paleobiology, and formulated Dollo's Law of evolutionary irreversibility.
Louis V. Pirsson
Louis V. Pirsson was an American geologist and petrologist, professor at Yale's Sheffield Scientific School, and co-developer of the quantitative classification of igneous rocks published in 1902 and 1903.
Luigi Fantini
Luigi Fantini (1895–1978) was an Italian archivist and speleologist who founded the Gruppo Speleologico Bolognese, explored the gypsum caves of the Bolognese Apennines, and left about 1,300 photographic plates.
Luna Leopold
Luna Leopold (1915–2006) was an American hydrologist and geomorphologist, son of Aldo Leopold, who led the USGS Water Resources Division, taught at Berkeley, and turned river science quantitative.
Lynn Sykes
Lynn R. Sykes, born 1937, is an American seismologist and National Academy of Sciences member at Columbia's Lamont-Doherty Earth Observatory, known for confirming plate tectonics and nuclear test ban verification.
M. Gordon Wolman
M. Gordon Wolman, known as "Reds," was an American fluvial geomorphologist who helped found the quantitative study of rivers and taught at Johns Hopkins for over 50 years.
M. King Hubbert
M. King Hubbert (1903–1989) was an American geologist best known for the Hubbert curve and his correct 1956 prediction that US oil production would peak around 1970.
M. Nafi Toksöz
M. Nafi Toksöz is a Turkish-born geophysicist and MIT professor emeritus known for earthquake seismology, lunar seismology from the Apollo program, and founding MIT's Earth Resources Laboratory.
Malcolm T. McCulloch
Malcolm T. McCulloch, born 1950, is an Australian isotope geochemist at the University of Western Australia known for using coral skeletons to reconstruct the Great Barrier Reef's environmental history.
Malin Falkenmark
Malin Falkenmark (1925–2023) was a Swedish hydrologist who devised the Falkenmark indicator, one of the most used water scarcity indices, and introduced the green water and blue water distinction.
Manfred R. Strecker
Manfred R. Strecker, also known as Manfred Strecker, is a German geoscientist, Professor and Chair of Geology at the University of Potsdam since 1995, studying tectonics, climate, and erosion in mountain belts.
Marc F. P. Bierkens
Marc F. P. Bierkens (born 1965) is a Dutch hydrologist, professor of Earth Surface Hydrology at Utrecht University and Deltares researcher, known for global groundwater depletion estimates and the PCR-GLOBWB model.
Marc M. Hirschmann
Marc M. Hirschmann is an American experimental petrologist and geochemist at the University of Minnesota, known for work on mantle melting and deep Earth cycles of water and carbon.
Marcellin Boule
Marcellin Boule (1861–1942) was a French paleontologist who held the chair of paleontology at Paris's natural history museum and reconstructed the first nearly complete Neanderthal skeleton, found at La Chapelle-aux-Saints in 1908.
Marcia McNutt
Marcia McNutt is an American geophysicist and the first woman to direct the U.S. Geological Survey and to serve as president of the National Academy of Sciences.
Marilyn L. Fogel
Marilyn L. Fogel (1952–2022) was an American isotope geochemist who pioneered stable-isotope biogeochemistry, spent 33 years at the Carnegie Institution, and was called the "isotope queen."
Marion L. Jackson
Marion LeRoy Jackson (1914–2002) was an American soil scientist at the University of Wisconsin–Madison whose work in soil chemistry and clay mineralogy shaped how soils and clays are analyzed worldwide.
Mark A. Richards
Mark A. Richards is an American geophysicist at UC Berkeley who studies mantle convection, hotspots, and flood basalts, and served as provost at the University of Washington.
Mark D. Kurz
Mark D. Kurz, also known as Mark Kurz, is an American isotope geochemist and Senior Scientist at Woods Hole Oceanographic Institution, known for pioneering helium isotope studies of the mantle.
Mark D. Zoback
Mark D. Zoback is an American geophysicist, emeritus professor at Stanford University, known for measuring crustal stress, fault strength, and reservoir geomechanics for energy development.
Mark L. Brusseau
Mark L. Brusseau is an American environmental scientist and professor at the University of Arizona known for foundational work on nonequilibrium solute transport and PFAS retention and vadose-zone migration models.
Mark Simons
Mark Simons is an American geophysicist at Caltech who uses satellite radar and GPS to study earthquakes, volcanoes, and glaciers, and was NASA JPL's Chief Scientist from 2017 to 2023.
Marland P. Billings
Marland Pratt Billings was an American structural geologist and Harvard professor best known for Structural Geology, the first geologic map of New Hampshire, and regional studies.
Marshall Kay
Marshall Kay (George Marshall Kay, 1904–1975) was an American geologist at Columbia University whose 1951 memoir North American Geosynclines classified ancient sedimentary belts; he won the Penrose Medal in 1971.
Martin Bott
Martin Bott (1926–2018) was an English geophysicist who spent his career at Durham University, interpreting gravity and magnetic anomalies and pioneering finite element modeling of lithospheric stress.
Martin G. Lockley
Martin G. Lockley (1950–2023) was a Welsh-born paleontologist and geologist who became a leading specialist in vertebrate ichnology, the study of fossil footprints and trackways.
Martín J. Siegert
Martín J. Siegert, also known as Martin Siegert, is a British glaciologist who led the first sampling attempt of Antarctica's subglacial Lake Ellsworth and won the 2013 Martha T. Muse Prize.