John TreschJohn Tresch is professor of history of art, science, and folk practice at the Warburg Institute in the University of London. He previously taught history of science and technology in Philadelphia at the University of Pennsylvania for over a decade. H has held fellowships at the New York Public Library, Columbia University, the University of Chicago, the Max Planck Institute for the History of Science, and the Ecole des Hautes Etudes en Sciences Sociales. He is the author of The Romantic Machine: Utopian Science and Technology after Napoleon. Read More Read Less