With nearly forty years of experience teaching ancient history to non-specialist audiences, Thomas R. Martin is the author of books including surveys of ancient Greece, ancient Rome, Alexander the Great, the works of Herodotus and Sima Qian, and An Overview of Classical Greek History online at the Perseus Project, which has been consulted by countless readers since its appearance as the first resource of its kind on the subject. He has also appeared in various documentaries on ancient history shown on television around the world.