Geoffrey Cantor is Professor of the History of Science at the University of Leeds and co-Director (with Sally Shuttleworth) of the 'Science in the Nineteenth-Century Periodical' (SciPer) project. Among his publications are Michael Faraday, Sandemanian and Scientist (1991) and, with John Hedley Brooke, Reconstructing Nature: The Engagement of Science and Religion (1998).