Professor, Department of Philosophy, College of Arts and Sciences, Indiana University Bloomington
Research Professor, Center for Medieval and Early Modern Studies, School of Humanities and Sciences, Stanford University (past)
Research Professor, Department of Philosophy, School of Humanities and Sciences, Stanford University (past)
Interdisciplinary Studies in Humanities
Professor, Program in History & Philosophy of Science, School of Humanities and Sciences, Stanford University (past)
Professor Emeritus, Center for Medieval and Early Modern Studies, School of Humanities and Sciences, Stanford University (past)
