John Kobal was an Austrian-born British based film historian responsible for The Kobal Collection, a commercial photograph archive related to the film industry.
John Koethe is an American poet, essayist and professor of philosophy at the University of Wisconsin–Milwaukee.
John Paul Kotter is the Konosuke Matsushita Professor of Leadership, Emeritus, at the Harvard Business School, an author, and the founder of Kotter International, a management consulting firm based in Seattle and Boston. He is a thought leader in business, leadership, and change.
John Krige is an historian of science and technology and the Kranzberg Professor at the School of History, Technology and Society, Georgia Institute of Technology, Atlanta. Krige is originally a physical chemist by training, earning a PhD from the University of Pretoria in the subject. After earning a PhD in philosophy at the University of Sussex, in the United Kingdom in 1979, Krige's intellectual career has been in the history of science and technology, including notable efforts within the project to write the history of CERN and the European Space Agency in the 1980s and 1990s. His main focus is on the place of science and technology in the foreign policies of governments both intra-European and between the U.S. and Western Europe in the cold war. In 2000, Krige became a professor at Georgia Institute of Technology's School of History and Sociology. As a Francis Bacon Award recipient, Krige became a visiting professor at Caltech's Division of Humanities and Social Science.
John L. Carey was a member of the General Assembly of Maryland in 1843 and a newspaper editor in Maryland in the years leading up to the American Civil War. He is known for his writing on the question of slavery, which was a subject in a number of his letters and books. He was editor of the American and Commercial Daily Advertiser in Baltimore for twelve years.
John Leask Lumley was an American fluid dynamicist and a professor at Cornell University. He is widely known for his research in turbulence and is the coauthor of A First Course in Turbulence along with Hendrik Tennekes.
John Paul Clow Laband is a South African historian and writer, specialising in Anglo-Zulu and the First and Second Freedom Wars. He has taught at universities in South Africa, England, and Canada. In particular, he has been Professor of History at Wilfrid Laurier University, Canada, and a Research Associate of the University of KwaZulu-Natal.
John Lachs is Centennial Professor of Philosophy at Vanderbilt University, where he has taught since 1967. Lachs received his Ph.D. from Yale University in 1961. His primary focus is on American philosophy and German Idealism.
John Laffin was an Australian 20th century military historian.
John Henry Lahr is an American theater critic and writer. From 1992 to 2013, he was a staff writer and the senior drama critic at The New Yorker. He has written more than twenty books related to theater. Lahr has been called "one of the greatest biographers writing today".
