All articles starting with L
25,375 articles
Leonard Howell
Leonard Percival Howell, known as the First Rasta, was a Jamaican preacher who proclaimed Haile Selassie's divinity, founded the Rastafari movement, and established the Pinnacle commune in 1940.
Leonard I. Schiff
Leonard I. Schiff (1915–1971) was an American theoretical physicist at Stanford University, author of the graduate textbook Quantum Mechanics and proposer of the gyroscope experiment Gravity Probe B.
Leonard I. Zon
Leonard I. Zon, also known as Leonard Zon, is an American hematologist and stem cell biologist who built the zebrafish into a genetic model of blood development and blood cancers.
Leonard J. Barbour
Leonard J. Barbour, born 1965 in Pretoria, is a South African supramolecular chemist and crystal engineer, formerly Distinguished Professor at Stellenbosch University and now at the University of Lincoln.
Leonard J. Deftos
Leonard J. Deftos is an American endocrinologist and oncologist at the University of California, San Diego, known for establishing chromogranin A and calcitonin as blood markers of neuroendocrine tumors.
Leonard J. Foster
Leonard J. Foster is a Canadian biochemist who directs the Life Sciences Institute at the University of British Columbia, known for quantitative proteomics, organelle mapping, and honeybee disease research.
Leonard J. Koch
Leonard J. Koch (1920–2015) was an American nuclear engineer who served on EBR-I, the first reactor to generate electricity, and managed its successor EBR-II at Argonne.
Leonard J. Prins
Leonard J. Prins (born 1974) is a Dutch supramolecular chemist and Professor of Organic Chemistry at the University of Padua, Italy, known for chiral hydrogen-bonded assemblies and chemically fueled self-assembly.
Leonard James Rogers
Leonard James Rogers (1862–1933) was a British mathematician, professor at Yorkshire College in Leeds, who proved the Rogers–Ramanujan identities in 1894 and first published Hölder's inequality.
Leonard Jarett
Leonard Jarett was an American pathologist who researched insulin action and chaired pathology and laboratory medicine at the University of Pennsylvania from 1980 to 1998.
Leonard Jerome
Leonard Jerome (1817–1891) was an American stock speculator nicknamed the "King of Wall Street" who made and lost several fortunes and was Winston Churchill's maternal grandfather.
Leonard Jimmie Savage
Leonard Jimmie Savage (1917–1971) was an American mathematician and statistician whose 1954 book The Foundations of Statistics gave the first complete axiomatization of Bayesian expected utility.
Leonard Johnston Wills
Leonard Johnston Wills (1884–1979) was a British geologist who mapped the buried Palaeozoic floor of England and Wales in late Geological Society memoirs, after survey work and a study of concealed coalfields.
Leonard K. Kaczmarek
Leonard K. Kaczmarek is a neuroscientist and ion-channel biologist, Professor of Pharmacology at Yale School of Medicine, whose laboratory cloned the Kv3.1b and Slack potassium channels.
Leonard Kleinrock
Leonard Kleinrock, born 1934, is an American computer scientist at UCLA whose mathematical theory of packet switching underpinned the Internet; his lab sent the first ARPANET message in 1969.
Leonard Lake
Leonard Lake (born 1946, died June 2, 1985) was an American serial killer who with Charles Ng ran the Wilseyville, California abduction-murder scheme, built a bunker for Operation Miranda, and died by cyanide in custody before trial.
Leonard Laster
Leonard Laster (1928–2020) was an American physician and biomedical researcher in gastroenterology and metabolic disease, known for celiac disease research and establishing the biochemical basis of alkaptonuria.
Leonard Lauder
Leonard A. Lauder is an American businessman and philanthropist who built the Estée Lauder Companies into a global cosmetics firm and pledged his billion-dollar Cubist collection to the Met.
Leonard Leo
Leonard Leo (born 1965), Federalist Society co-chairman and conservative legal activist, shaped Supreme Court selections under Bush and Trump, built dark-money groups including the Judicial Crisis Network and Marble Freedom Trust, and later launched the Teneo Network.
Leonard Lerman
Leonard Lerman (1925–2012) was an American molecular biologist who showed how acridine dyes intercalate into DNA and developed denaturing gradient gel electrophoresis for detecting single-base mutations.
Leonard Lessius
Leonard Lessius, born Lenaert Leys (1554–1623), was a Flemish Jesuit theologian at Louvain whose doctrines of grace and free will provoked the Leuven controversies of 1587–88.
Leonard M. Kravitz
Leonard M. Kravitz, Brooklyn-born Army Pfc. of the 24th Infantry Division, died March 7, 1951 at Yangpyong, Korea, manning a machine gun alone to cover his platoon's withdrawal; awarded the Distinguished Service Cross, upgraded to the Medal of Honor in 2014; uncle and namesake of musician Lenny Kravitz.
Leonard M. Tender
Leonard M. Tender is an American electrochemist who spent 24 years at the U.S. Naval Research Laboratory studying microbial fuel cells and biofilm electron transport.
Leonard Maltin
Leonard Maltin (born 1950) is an American film critic and historian, editor of Leonard Maltin's Movie Guide (1969–2014) and Entertainment Tonight's movie reviewer for 30 years, author of a dozen film books.
Leonard Mandel
Leonard Mandel (1927–2001) was a German-born physicist at the University of Rochester, a founding figure of quantum optics whose laboratory made the first observation of photon antibunching in 1977.
Leonard Martin
Leonard Jack Martin (1901–1967), British sailor; Olympic gold in the 6-metre class aboard Lalage at Berlin 1936, and crew of Tommy Sopwith's Endeavor in the 1934 America's Cup challenge.
Leonard McCoy
Leonard "Bones" McCoy, fictional chief medical officer of the USS Enterprise in Star Trek, played by DeForest Kelley (TOS, animated series, first seven films) and Karl Urban (2009 reboot); Georgia-born, transporter-averse foil to Spock.
Leonard Mlodinow
Leonard Mlodinow (born 1954) is an American theoretical physicist and best-selling author who co-wrote two books with Stephen Hawking and wrote for Star Trek: The Next Generation.
Leonard Moore (American football)
Leonard Moore, Notre Dame Fighting Irish cornerback from Round Rock, Texas; unanimous 2025 All-American with 7 career interceptions; consensus top cornerback prospect for the 2027 NFL Draft, distinct from the 1987 Vikings RB and Lenny Moore.
Leonard N. Boston
Leonard Napoleon Boston (1871–1931) was an American physician at the Medico-Chirurgical College in Philadelphia, known for Boston's sign in Graves' disease and a 1904 laboratory diagnosis textbook.