Andrew Ede is Associate Professor of History at the University of Alberta and the author of The Rise and Decline of Colloid Science in North America, 1900-1935: The Neglected Dimension and The Chemical Element: A Historical Perspective.
Lesley B. Cormack is a Professor teaching history of science and Tudor England at Simon Fraser University. She is the author of Charting an Empire: Geography at the English Universities, 1580 - 1620 (University of Chicago Press) and the past president of the Canadian Society for the History and Philosophy of Science.