Eric H. Ash is a Professor of History at Wayne State University, where he is the recipient of their President’s Award for Excellence in Teaching. He received his doctorate in the History of Science from Princeton University and is a specialist in the science and technology of the Renaissance and early modern eras. Professor Ash is the author of two books, including his most recent, entitled The Draining of the Fens: Projectors, Popular Politics, and State Building in Early Modern England.