Erika Dyck is Professor and Canada Research Chair in the History of Medicine at the University of Saskatchewan. She is the author of Psychedelic Psychiatry (Johns Hopkins University Press, 2008) and Facing Eugenics (University of Toronto Press, 2013).Larry Stewart is Professor of History at the University of Saskatchewan, Canada. He is currently writing a study of experiment during the Enlightenment and the first industrial revolution. He has recently edited, with Bernie Lightman and Gordon McOuat, Circulating Knowledge, East and West (Brill, 2013), and is currently completing, with Trevor Levere and Hugh Torrens, The Democratic Vision of Thomas Beddoes; Science, Medicine and Reform.