Friedrich Solmsen (1904 1989) was Chair of the Department of Classics at Cornell University and Moses Slaughter Professor of Classical Studies at the University of Wisconsin Madison, and he taught at the University of North Carolina, Chapel Hill. His many books include Plato's Theology, Hesiod and Aeschylus, and Aristotle's System of the Physical World: A Comparison with His Predecessors, all published by Cornell in the series Cornell Studies in Classical Philology.