PBS
Themistocles, Greek General
Wonderful biography of Themistocles, the great Athenian general and politician who established the Greek navy.
PBS
Cleisthenes, the Athenian Reformer
The life of Cleisthenes, the Athenian statesman who helped reform and revitalize the political system of Athens is profiled in this article.
Internet Encyclopedia of Philosophy
Internet Encyclopedia of Philosophy: The Sophists
This site from the Internet Encyclopedia of Philosophy provides a good summary of the Sophists, their history and motives. Lists major figures.