DOMENICO BERTOLONI MELI is a professor in the Department of History and Philosophy of Science at Indiana University. He specializes in seventeenth- and eighteenth-century science and medicine and is the author of Equivalence and Priority: Newton versus Leibniz.
J. BRUCE BRACKENRIDGE is Alice G. Chapman Professor of Physics Emeritus at Lawrence University. He is the author of The Key to Newton's Dynamics: The Kepler Problem and the Principia, as well as several papers on the role of curvature in Newton's dynamics.
I. BERNARD COHEN is Victor S. Thomas Professor of the History of Science Emeritus at Harvard University. He is the author of numerous books in the history of science generally and on Newton in particular, including The Newtonian Revolution, and is co-editor of the Variorum Latin edition of Newton's Principia and co-author of the new English translation.
ROBERT DISALLE is a professor in the Department of Philosophy at the University of Western Ontario. He has published several papers on Newton, Einstein, and Mach, especially on their respective treatments of space, time, and motion.
KARIN FIGALA is University Professor for the History of the Sciences at Deutsches Museum in Munich. She is author of many papers on alchemy and co-editor of the recent Alchemie, Lexicon einer hermetischen Wissenschaft.