John L. Allen Jr. 💼 Journalist, writer, editor John L. Hall 💼 Physicist, university teacher John L. Hennessy 💼 Computer scientist, engineer, university teacher, businessperson, academic, entrepreneur John L. McClellan 💼 Politician, lawyer John L. O'Sullivan 💼 Journalist, diplomat, politician, editor John L. Phillips 💼 Military officer, astronaut, physicist John L. Sullivan 💼 Boxer John La Farge 💼 Painter, stained-glass artist, writer John Lancelot Todd 💼 Parasitologist, architect John Landis 💼 Film director, screenwriter, film producer, actor, film actor, television actor, television producer, director John Landy 💼 Athletics competitor, engineer, middle-distance runner, politician John Langdon Down 💼 Physician, psychiatrist, neurologist John Langenus 💼 Association football referee, association football player, journalist John Langley 💼 Film director, screenwriter, film producer, television director, television producer John Larroquette 💼 Actor, stage actor, television actor, film actor, film producer, television director John Lasseter 💼 Film director, film producer, screenwriter, animator, executive producer, film editor, director John Laurinaitis 💼 Professional wrestler, television producer, professional wrestling writer John Lautner 💼 Architect, university teacher John Lawrence LeConte 💼 Military physician, entomologist, zoologist, naturalist John Layfield 💼 Entrepreneur, professional wrestler, actor, radio personality, american football player John LeClair 💼 Ice hockey player John LeCompt 💼 Guitarist John Leckie 💼 Audio engineer, record producer, composer, engineer John Lee Hancock 💼 Screenwriter, film director, film producer, lawyer, director, manufacturer John Lee Hooker 💼 Guitarist, singer, singer-songwriter, composer, recording artist John Legend 💼 Singer-songwriter, actor, singer, pianist, record producer John Leguizamo 💼 Comedian, voice actor, playwright, painter, stage actor, television actor, film actor, film producer, film director, television presenter, screenwriter, actor John Lemont 💼 Film director, screenwriter, film producer John Lennon 💼 Writer, actor, singer-songwriter, guitarist, film producer, poet, composer, film actor, pianist, singer, film director, public figure, prose writer, peace activist, political activist, recording artist John Lennox 💼 Mathematician, philosopher of science, university teacher, writer, apologist John Lewis 💼 Politician, chairperson, human rights defender John Lewis Gaddis 💼 Historian, university teacher, biographer John Lindley 💼 Botanist, pteridologist, bryologist, university teacher, writer, mycologist, editor, scientific illustrator, orchidologist, botanical collector, scientific collector John Lindsay 💼 Politician, military officer, lawyer John Lipsky 💼 Economist, banker John Litel 💼 Actor, stage actor, film actor John Lithgow 💼 Television actor, film actor, musician, poet, voice actor, stage actor, actor, banjoist John Ljunggren 💼 Athletics competitor, senior accountant John Lloyd Stephens 💼 Explorer, writer, archaeologist, anthropologist, diplomat, lawyer, traveler, historian John Lloyd Young 💼 Singer, stage actor, film actor, television actor, actor John Loaring 💼 Athletics competitor John Locke 💼 Philosopher, politician, physician, writer, scientist, philosopher of law John Logie Baird 💼 Physicist, entrepreneur, writer John Lomax 💼 Musicologist, historian, ethnomusicologist, music historian, university teacher, folklorist, composer John Lone 💼 Actor, television actor, film actor John Lothrop Motley 💼 Historian, diplomat, academic, writer John Loudon McAdam 💼 Civil engineer, inventor John Louis Emil Dreyer 💼 Astronomer, biographer John Lucas II 💼 Tennis player, basketball player, basketball coach John Lucas III 💼 Basketball player, basketball coach John Lukacs 💼 Historian of modern age, historian, university teacher, political scientist John Lundvik 💼 Singer, songwriter, athletics competitor John Lurie 💼 Actor, painter, saxophonist, director, composer, jazz musician, film score composer, manufacturer, draftsperson, television producer, musician John Lydon 💼 Singer-songwriter, television presenter, actor, lyricist, singer, record producer John Lynch-Staunton 💼 Politician, businessperson John Lyng 💼 Diplomat, politician, lawyer, judge, resistance fighter John M. Berrien 💼 Politician, lawyer, judge John M. Charlton 💼 Politician, timber merchant, farmer, businessperson John M. Clayton 💼 Lawyer, politician, diplomat, judge John M. Deutch 💼 Politician, university teacher, chemist