All articles starting with L

Leo Marsicanus

Leo Marsicanus, also known as Leone Marsicano, was a Benedictine monk of Montecassino who wrote its chronicle and died a cardinal bishop of Ostia in 1115.

Leo McGarry (Leopold Thomas McGarry) is the fictional White House Chief of Staff, later 2006 Democratic vice presidential nominee, on NBC's The West Wing, played by John Spencer; a Chicago-born Vietnam veteran and recovering alcoholic who dies on election night.

Leo McKern

Leo McKern (Reginald McKern, 1920–2002) was an Australian-born character actor based in Britain, famous as Horace Rumpole in Rumpole of the Bailey, Number 2 in The Prisoner, and Cromwell in A Man for All Seasons.

Sep 19, 2026

Leo Mechelin

Leo Mechelin (Leopold Henrik Stanislaus Mechelin, 1839–1914) was a Finnish statesman, law professor, and banker who co-founded Nokia in 1871 and later served as Finland's de facto head of government from 1905 to 1908.

Leo Middea

Leo Middea, born 1995 in Rio de Janeiro, is a Brazilian MPB singer-songwriter based in Barcelona. Albums Dois through Notícias de Puglia; first Brazilian Festival da Canção finalist (2024, Doce Mistério).

Leo Moser

Leo Moser (1921–1970) was an Austrian-born Canadian mathematician at the University of Alberta who published over 100 papers and posed the worm problem and the Moser spindle.

Leo Murata

Leo Murata is a Japanese analytic number theorist at Meiji Gakuin University, known for Murata's constant, about 2.8264, from his work on least primitive roots.

Leo Nielsen

Leo Nielsen (Carl Leo Holger Nielsen, 1909-1968), Danish road cyclist, Hillerod CK; Olympic team road race gold 1928 and silver 1932; distinct from footballer Leo Thorvald Nielsen and swimmer Benny Leo Nielsen.

Sep 20, 2026

Leo P. Kouwenhoven

Leo P. Kouwenhoven (born 1963) is a Dutch experimental physicist and professor at TU Delft and QuTech, known for spin qubits and Majorana bound states.

Leo Pardi

Leo Pardi (1915–1990) was an Italian zoologist and ethologist who, with Floriano Papi, showed sandhoppers find the sea by a sun compass, winning the 1989 Balzan Prize for Ethology.

Leo Pellegrino

Leo Pellegrino (Leo P), born 1991 in Pittsburgh, is an American baritone saxophonist of Too Many Zooz and formerly Lucky Chops, known for dancing while playing, subway busking videos, the 2017 BBC Proms Moanin' solo, and work with Beyoncé.

Leo Penn

Leo Penn (1921–1998), American actor and television director, father of Sean Penn. Blacklisted in the 1950s, he directed over 400 hours of prime-time TV including Ben Casey, Star Trek, and Columbo, winning a 1973 Emmy.

Oct 22, 2026

Leo Perutz

Leo Perutz, born Leopold Perutz, was an Austrian novelist and insurance mathematician whose historical and fantastic novels made him one of the most widely read authors in interwar Austria and Germany.

Leo Pinto

Leo Pinto (Leo Hillary Knowles Pinto, 1914-2010), Indian field hockey goalkeeper born in Nairobi; won 1948 London Olympic gold, missed 1936 through concussion, later a 1972 selector.

Sep 21, 2026

Leo Postman

Leo Postman (1918–2004) was an American experimental psychologist and UC Berkeley professor known for research on human memory and for building modern interference theory of forgetting.

Leo R. Beard

Leo Roy Beard (1917–2009) was an American civil engineer and hydrologist who coined the term hydrologic engineering, founded the Corps' Hydrologic Engineering Center, and was elected to the National Academy of Engineering in 1975.

Sep 20, 2026

Leo Radom

Leo Radom, born 1944 in Shanghai, is an Australian computational quantum chemist and Emeritus Professor at the University of Sydney known for Gaussian theory extensions and radical thermochemistry.

Leo Randolph

Leo Randolph (Leonard Randolph, born 1958) is an American boxer, 1976 Olympic flyweight gold medalist and WBA super bantamweight champion from May to August 1980, retired at 17-2.

Sep 19, 2026

Leo RD

Leo RD, born Leonardo Felipe Yasmil Garcés, is a Dominican dembow producer from Santo Domingo who spearheaded the underground dembow movement with his 2019 breakthrough.

Leo Reich

Leo Reich is a British stand-up comedian and writer whose debut show Literally Who Cares?! satirizes a narcissistic Gen Z persona, earning a 2022 Edinburgh Comedy Award Best Newcomer nomination.

Oct 15, 2026

Leo Rover

Leo Rover is a four-wheeled mobile robot platform made by Fictionlab of Wrocław, Poland, sold as a kit or assembled and built on ROS for research and education.

Leo Ryan

Leo Joseph Ryan (1925–1978), California Democratic congressman, first U.S. House member killed in the line of duty, ambushed November 18, 1978 at Port Kaituma, Guyana, while investigating the Peoples Temple at Jonestown; posthumously awarded the Congressional Gold Medal in 1983.

Leo Saca

Leo Saca (Leonard Saca, born 2007, Ialoveni, Moldova) is a Moldovan left-footed centre-back formed at La Masia, UEFA Youth League winner 2024/25 with Barcelona, now at CFR Cluj and a Moldova senior international.

Sep 20, 2026

Leo Sachs

Leo Sachs (Hebrew: לאו זקס; 1924–2013) was a German-born Israeli molecular biologist who founded the Department of Genetics at the Weizmann Institute and discovered colony-stimulating factors.

Léo Santa Cruz

Léo Santa Cruz (Leodegario Santa Cruz, "El Terremoto", born 1988) is a Mexican-American boxer from Los Angeles who won world titles at bantamweight, super bantamweight, featherweight, and super featherweight; record 38-2-1, 19 KOs.

Leo Sayer

Leo Sayer (Gerard Hugh Sayer, born 1948, Shoreham-by-Sea) is an English-born, Australian-citizen singer-songwriter whose 1970s Pierrot-clown persona and hits You Make Me Feel Like Dancing, When I Need You, and More Than I Can Say made him a transatlantic chart star.