Physical and mathematical scientists

Lars Bojer Madsen

Lars Bojer Madsen (born 1970) is a Danish theoretical physicist and professor at Aarhus University, known for strong-field ionization theory and attosecond physics, elected an American Physical Society Fellow in 2018.

Lars Edvard Phragmén

Lars Edvard Phragmén (1863–1937) was a Swedish mathematician known for the Phragmén–Lindelöf principle in complex analysis and a load-balancing proportional election method still part of Swedish law.

Lars Gårding

Lars Gårding (1919–2014) was a Swedish mathematician and professor at the University of Lund from 1952 to 1984, known for Gårding's inequality and for advising Lars Hörmander.

Lars Hernquist

Lars Hernquist is a theoretical astrophysicist, the Mallinckrodt Professor at the Center for Astrophysics, Harvard & Smithsonian, known for galaxy-formation simulations including Illustris and IllustrisTNG, and a 2020 Gruber Cosmology Prize recipient.

Lars Hörmander

Lars Hörmander (1931–2012) was a Swedish mathematician at Lund University, the leading figure in the theory of linear partial differential equations and winner of the 1962 Fields Medal.

Lars Konermann

Lars Konermann is a chemist and professor at Western University known for protein mass spectrometry and for work on the mechanism of electrospray ionization.

Lars Onsager

Lars Onsager was a Norwegian-born physical chemist and theoretical physicist who won the 1968 Nobel Prize in Chemistry for his reciprocal relations in irreversible thermodynamics.

Lars Sillén

Lars Gunnar Sillén (1916–1970) was a Swedish chemist, professor of inorganic chemistry at KTH in Stockholm, who created the first model of ocean chemistry regulation.

Lars Stixrude

Lars Stixrude is a mineral physicist and professor at UCLA, known for first-principles quantum-mechanical studies of deep-Earth minerals, including a 1993 Nature paper on lower-mantle perovskite stability.

Lars Vegard

Lars Vegard (1880–1963) was a Norwegian physicist, professor at Kristiania/Oslo from 1918 to 1952, known for Vegard's law on mixed crystals and for identifying over 500 auroral spectral lines.

László Babai

László Babai is a Hungarian mathematician and theoretical computer scientist at the University of Chicago, best known for his 2015 breakthrough algorithm for graph isomorphism and for work on interactive proofs.

László Zechmeister

László Zechmeister (1889–1972) was a Hungarian chemist who helped revive column chromatography, wrote the first handbook on the method, and studied carotenoid pigments at Caltech from 1940.

Latha Venkataraman

Latha Venkataraman is an applied physicist and chemist known for single-molecule electronics, formerly Lawrence Gussman Professor at Columbia University and a professor at IST Austria since 2025.

Lauge Koch

Lauge Koch (1892–1964) was a Danish geologist and Arctic explorer who mapped North Greenland by dog sledge and led East Greenland expeditions from 1926 to 1958.

Laura Barge

Laura Barge, also known as Laurie Barge, is an American astrobiologist at NASA's Jet Propulsion Laboratory who studies the origin of life on Mars and ocean worlds.

Laura DeMarco

Laura DeMarco is a mathematician at Harvard University, a professor there since 2020, who works in dynamical systems and arithmetic dynamics and won the 2017 Satter Prize.

Laura Fields

Laura Fields is an experimental particle physicist at the University of Notre Dame who studies how neutrino beams are produced and oscillate, and received a 2025 PECASE award.

Laura Gagliardi

Laura Gagliardi is a theoretical and materials chemist who has been a professor at the University of Chicago since 2020, known for multireference quantum chemical methods such as MC-PDFT.

Laura Greene (physicist)

Laura Greene is an American experimental condensed matter physicist known for tunneling spectroscopy of unconventional superconductors and Chief Scientist of the National High Magnetic Field Laboratory.

Laura Herz

Laura Herz (Laura M. Herz) is a semiconductor photophysicist and Professor of Physics at Oxford, elected a Fellow of the Royal Society and awarded the 2024 Michael Faraday Medal.

Laura L. Kiessling

Laura L. Kiessling is an American chemical biologist who studies how cells use carbohydrate coats, called glycans, to signal; she has been the Novartis Professor of Chemistry at MIT since 2017.

Laura Lee McConnell

Laura Lee McConnell is an American environmental chemist known for tracking pesticides through water, air, and soil, a 1997 PECASE recipient and later a Bayer Science Fellow.

Laura Na Liu

Laura Na Liu is a physicist working in nanophotonics and DNA-origami plasmonics, and professor and director of the 2nd Physics Institute at the University of Stuttgart since 2020.

Laura Robinson (geochemist)

Laura Robinson is a geochemist and Professor at the University of Bristol who reconstructs past ocean circulation and carbon cycling using isotope dating of deep-sea corals.

Laure Saint-Raymond

Laure Saint-Raymond (born 1975) is a French mathematician known for proving hydrodynamic limits of the Boltzmann equation, work answering part of Hilbert's sixth problem; she holds a chair at the Collège de France.

Laurence L. Sloss

Laurence L. Sloss (1913–1996) was an American stratigrapher at Northwestern University who subdivided the North American craton's sedimentary record into six unconformity-bounded sequences, pioneering sequence stratigraphy.

Laurens D. A. Siebbeles

Laurens D. A. Siebbeles, an honorary Antoni van Leeuwenhoek professor, leads the Opto-electronic Materials group at TU Delft, where his ultrafast spectroscopy studies showed efficient carrier multiplication in lead chalcogenide nanosheets.

Laurens Molenkamp

Laurens Molenkamp is a Dutch condensed matter physicist, professor at the University of Würzburg since 1999, known for the first observation of the quantum spin Hall effect in 2007.

Laurent Lafforgue

Laurent Lafforgue, born 1966 in Antony, France, is a French mathematician who proved the Langlands correspondence for GL(r) over function fields, winning the Fields Medal in 2002.