Donald Kagan was a Lithuanian-born American historian and classicist at Yale University specializing in ancient Greece. He formerly taught in the Department of History at Cornell University. Kagan was considered among the foremost American scholars of Greek history and is notable for his four-volume history of the Peloponnesian War.
Donald Lawrence Keene was an American-born Japanese scholar, historian, teacher, writer and translator of Japanese literature. Keene was University Professor emeritus and Shincho Professor Emeritus of Japanese Literature at Columbia University, where he taught for over fifty years. Soon after the 2011 Tōhoku earthquake and tsunami, he retired from Columbia, moved to Japan permanently, and acquired citizenship under the name Kīn Donarudo . This was also his poetic pen name and occasional nickname, spelled in the ateji form 鬼怒鳴門.
Donald Ervin Knuth is an American computer scientist, mathematician, and professor emeritus at Stanford University. He is the 1974 recipient of the ACM Turing Award, informally considered the Nobel Prize of computer science. Knuth has been called the "father of the analysis of algorithms".
Donald Kuspit is an American art critic and poet, known for his practice of psychoanalytic art criticism. He has published on the subjects of avant-garde aesthetics, postmodernism, modern art, and conceptual art.
Donald L. Miller is a biographer and historian. He is the John Henry MacCracken Professor of History at Lafayette College in Pennsylvania. He is also a New York Times bestselling author of seven books, and one of the most respected authorities on World War II and U.S history. He has been nominated for and won a variety of awards. He is a frequent consultant and adviser to historical productions, including those for PBS and HBO.