Lloyd Strickland is Professor of Philosophy and Intellectual History at Manchester Metropolitan University, UK. He is the author of Leibniz and the Two Sophies, Leibniz's Monadology, and various other books.

Harry Lewis is Gordon McKay Research Professor of Computer Science at Harvard University. He is the coauthor of Blown to Bits: Your Life, Liberty, and Happiness after the Digital Explosion, coeditor of What Is College For?, and editor of Ideas That Created the Future (MIT Press).