About Donald Kagan:
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.
You have to liberate yourself first from the prejudices of the world in which you live.
Donald Kagan