Engineers and computer scientists

Lester M. Field

Lester M. Field was an American electrical engineer who created modern traveling-wave tube structures, taught at Stanford and Caltech, and directed microwave research at Hughes Research Laboratories.

Levente Vitos is a computational materials physicist, professor at KTH Royal Institute of Technology in Stockholm, who created the EMTO-CPA method making first-principles simulation of random alloys, steels, and high-entropy alloys practical.

Levi Theodore Thompson

Levi Theodore Thompson is an American chemical engineer elected to the National Academy of Engineering in 2021 and dean of the University of South Florida College of Engineering.

Lewis B. Stillwell

Lewis B. Stillwell (1863–1941) was an American electrical engineer who designed the Niagara Falls AC generating plant and directed the electrification of New York's elevated railways and first subway.

Lewis Berkley Davis Jr.

Lewis Berkley Davis Jr. is an American mechanical engineer whose combustion innovations led to low-nitrogen-oxides gas turbines for electric power generation; he holds over 100 patents.

Lewis M. Branscomb

Lewis McAdory Branscomb (1926–2023) was an American physicist who directed the National Bureau of Standards, served as IBM's vice president and chief scientist, and taught at Harvard.

Lex Fridman

Lex Fridman, also known as Alexei "Lex" Fridman, is a Russian-American artificial-intelligence researcher at MIT who studies human-AI interaction in driving and hosts the Lex Fridman Podcast, launched in 2018.

Leyuan Ma

Leyuan Ma is an assistant professor of Pathology and Laboratory Medicine at the University of Pennsylvania, known for biomaterial-based vaccines that re-stimulate CAR-T cells in lymph nodes.

Li Aizhen

Li Aizhen (李爱珍, born 1936) is a Chinese semiconductor materials scientist at the Shanghai Institute of Microsystem and Information Technology who established molecular beam epitaxy in China.

Li‐Dong Zhao

Li-Dong Zhao (赵立东) is a Chinese materials scientist and dean at Beihang University known for record-setting thermoelectric performance in tin selenide single crystals since 2014.

Liang Zhang

Liang Zhang is a Chinese materials scientist who studies battery electrodes with in-situ synchrotron X-ray spectroscopy and has been a professor at Soochow University since 2019.

Liang-Shih Fan

Liang-Shih Fan is a chemical engineer at The Ohio State University known for fluidization and chemical looping clean-energy processes, elected to the National Academy of Engineering in 2001.

Liangbing Hu

Liangbing Hu, born 1982, is a Chinese-born materials scientist and endowed professor of electrical engineering at Yale, known for Superwood, ultrafast high-temperature sintering, and co-founding InventWood.

Liangfang Zhang

Liangfang Zhang (张良方) is a Chinese-American nanoengineer and professor at the University of California, San Diego, known for inventing cell membrane-coated nanoparticles, a biomimetic drug delivery platform.

Lianzhou Wang

Lianzhou Wang (王连洲, born 1971) is a Chinese-born Australian materials scientist who set a 2020 quantum dot solar cell efficiency record and chairs energy materials research at Hong Kong PolyU.

Lieven Vandersypen

Lieven Vandersypen, born 1972 in Leuven, Belgium, is a Belgian physicist and professor at TU Delft known for quantum computing with electron spins in silicon, including a six-qubit processor.

Lili Deligianni

Hariklia "Lili" Deligianni is a Greek-born American chemical engineer who spent three decades at IBM Research and was elected to the National Academy of Engineering in 2019.

Lin Cai

Lin Cai is a Canadian researcher in wireless communications and networking, President's Chair Professor of Electrical and Computer Engineering at the University of Victoria since 2005.

Lin Gu

Lin Gu (谷林) is a Chinese materials scientist known for atomic-scale electron microscopy of ferroelectric oxides and battery cathodes, and a professor at Tsinghua University since 2022.

Lin‐Wang Wang

Lin-Wang Wang (Wang, Lin-Wang) is a computational materials scientist at Lawrence Berkeley National Laboratory who invented methods simulating systems with hundreds of thousands of atoms.

Lincoln F. Elkins

Lincoln F. Elkins (died 2001) was an American petroleum engineer and enhanced oil recovery pioneer who spent 36 years with Sohio Petroleum and was elected to the National Academy of Engineering.

Lincoln J. Lauhon

Lincoln J. Lauhon, also known as Lincoln Lauhon, is a materials scientist and professor at Northwestern University known for nanowire heterostructures, atom probe tomography of dopants, and two-dimensional materials.

Linda Nazar

Linda Faye Nazar is a Canadian electrochemist and materials chemist at the University of Waterloo known for lithium–sulfur batteries; she was elected a Fellow of the Royal Society in 2020.

Linda P.B. Katehi

Linda P.B. Katehi, born in Greece in 1954, is an electrical engineer whose microwave antenna research led to her 2006 election to the National Academy of Engineering.

Linda S. Schadler Feist

Linda S. Schadler Feist is an American materials scientist at the University of Vermont, elected to the National Academy of Engineering in 2025 for polymer nanocomposites research.

Ling Shao

Ling Shao (邵岭) is a computer vision and AI researcher, a distinguished professor at the University of Chinese Academy of Sciences, known for the Pyramid Vision Transformer.

Lingchong You

Lingchong You is a Chinese-born American synthetic biologist at Duke University, best known for a 2004 Nature paper programming bacterial population density through cell–cell communication and regulated killing.

Lioz Etgar

Lioz Etgar is an Israeli professor at the Hebrew University of Jerusalem who leads the Excitonic Solar Cells laboratory and is known for hole-conductor-free perovskite solar cells.

Lisa Brannon-Peppas

Lisa Brannon-Peppas is an American biomedical engineer elected to the National Academy of Engineering in 2025, known for biomaterials swelling theory and targeted nanoparticle cancer drug delivery.