Donald Kagan is an American historian and classicist at Yale University specializing in ancient Greece, notable for his four-volume history of the Peloponnesian War. He formerly taught in the Department of History at Cornell University. At present, Kagan is considered among the foremost American scholars of Greek history. Source: Wikipedia

Donald Kagan is an American historian and classicist at Yale University specializing in ancient Greece, notable for his four-volume history of the Peloponnesian War. He formerly taught in the Department of History at Cornell University. At present, Kagan is considered among the foremost American scholars of Greek history. Source: Wikipedia