Lewis Carroll

writer

Lewis Black

comedian

Leonhard Euler

mathematician

Leonardo da Vinci

painter

Leonard Adleman

computer-scientist

Leo Tolstoy

writer

Laura Owens

Oswald Spengler

philosopher

Laura Lippman

author

Larry Ellison

businessman

Olivia Newton-John

singer

Oliver Sacks

neurologist

Laozi

philosopher

Lancelot Hogben

statistician

Lance Armstrong

professional-road-racing-cyclist

Oleg Deripaska

Ogyu Sorai

philosopher

Maria Goeppert-Mayer

physicist

Marilyn vos Savant

columnist

Mary Somerville

writer