In Visible and Invisible in Greek Philosophy, Professor Yamakawa has collected a number of groundbreaking essays covering the entire history of Greek philosophy from the Presocratics to the Postaristotelians. He explores in a systematic and methodical manner "the dynamic correlation between the visible and the invisible aspects of Greek philosophers' particularly thoughts."—Christos Evangeliou, Honorary President, The International Association for Greek Philosophy, Professor of Philosophy, Towson University