Cornelis de Waal is Professor of Philosophy at Indiana University Indianapolis and Editor-in-Chief of the Transactions of the Charles S. Peirce Society. Previously, he was one of the editors of The Writings of Charles S. Peirce: A Chronological Edition. De Waal has edited several books, including Charles Peirce's Illustrations of the Logic of Science and Susan Haack: A Lady of Distinctions, and he is author of Introducing Pragmatism: A Tool for Rethinking Philosophy, and Charles S. Peirce: A Guide for the Perplexed.