Leonard "Len" Lawlor is Edwin Erle Sparks Professor of Philosophy at Pennsylvania State University. He specializes in nineteenth- and twentieth-century Continental philosophy.
Leonard Michael Maltin is an American film critic and film historian, as well as an author of several mainstream books on cinema, focusing on nostalgic, celebratory narratives. He is perhaps best known for his book of film capsule reviews, Leonard Maltin's Movie Guide, published annually from 1969 to 2014.
Leonard James Matthews was a British editor, publisher, writer and illustrator of comics and children's magazines, best known as the founder of the educational magazine Look and Learn.
Leonard Merrick was an English novelist. Although largely forgotten today, he was widely admired by his peers; J. M. Barrie called Merrick the "novelist's novelist."
Leonard Michaels was an American writer of short stories, novels, and essays, and a Professor of English at the University of California, Berkeley.
Leonard Mlodinow is an American theoretical physicist and mathematician, screenwriter and author. In physics, he is known for his work on the large N expansion, a method of approximating the spectrum of atoms based on the consideration of an infinite-dimensional version of the problem, and for his work on the quantum theory of light inside dielectrics.
Leonard E. Nathan, was an American poet, critic, and professor emeritus of rhetoric at the University of California, Berkeley where he retired in 1991.
Leonard Nelson, sometimes spelt Leonhard, was a German mathematician, critical philosopher, and socialist. He was part of the neo-Friesian school of neo-Kantianism and a friend of the mathematician David Hilbert. He devised the Grelling–Nelson paradox in 1908 and the related idea of autological words with Kurt Grelling.
Leonard Simon Nimoy was an American actor, famed for playing Spock in the Star Trek franchise for almost 50 years. This includes originating Spock in the original Star Trek series in 1966, then Star Trek: The Animated Series, the first six Star Trek films, and Star Trek: The Next Generation. Nimoy also directed films, including Star Trek III: The Search for Spock (1984) and Star Trek IV: The Voyage Home (1986), and appeared in several films, television shows, and voice acted in several video games. Outside of acting, Nimoy was a film director, photographer, author, singer, and songwriter.
Leonard Sylvan Peikoff is a Canadian-American philosopher. He is an Objectivist and was a close associate of Ayn Rand, who designated him heir to her estate. He is a former professor of philosophy and host of a nationally syndicated radio talk show. He co-founded the Ayn Rand Institute (ARI) in 1985 and is the author of several books on philosophy.
