Sir John Desmond Patrick Keegan was an English military historian, lecturer, author and journalist. He wrote many published works on the nature of combat between prehistory and the 21st century, covering land, air, maritime, intelligence warfare and the psychology of battle.
John Kekes is Professor Emeritus of Philosophy at the University at Albany, SUNY.
John Kelsay is an author and a Research Professor and Richard L. Rubenstein Professor of Religion at Florida State University. He received his Ph.D. in 1985 in Ethics from University of Virginia. He mainly focuses on religious ethics, particularly in relation to the Islamic and Christian traditions. His research interests include comparative religious ethics, political ethics, and religion and war.
John Kendrick Bangs was an American writer, humorist, editor and satirist.
John Kennedy Toole was an American novelist from New Orleans, Louisiana, whose posthumously published novel, A Confederacy of Dunces, won the Pulitzer Prize for Fiction in 1981; he also wrote The Neon Bible. Although several people in the literary world felt his writing skills were praiseworthy, Toole's novels were rejected during his lifetime. Due in part to these failures, he suffered from paranoia and depression, dying by suicide at the age of 31.
John Kenneth Galbraith, also known as Ken Galbraith, was a Canadian-American economist, diplomat, public official, and intellectual. His books on economic topics were bestsellers from the 1950s through the 2000s. As an economist, he leaned toward post-Keynesian economics from an institutionalist perspective.
John Kenneth Muir is an American literary critic. As of 2022, he has written thirty reference books in the fields of film and television, with a particular focus on the horror and science fiction genres.
John Joseph Vincent Kessel is an American author of science fiction and fantasy. He is a prolific short story writer, and the author of four solo novels, Good News From Outer Space (1989), Corrupting Dr. Nice (1997), The Moon and the Other (2017), and Pride and Prometheus (2018), and one novel, Freedom Beach (1985) in collaboration with his friend James Patrick Kelly. Kessel is married to author Therese Anne Fowler.
John Kidgell (1721/2–c.1780) was an English cleric and author. His involvement in 1763 in the Bute administration's efforts to counter the populist John Wilkes led to a public uproar, and he left the country, living abroad for the rest of his life.