Contributors: David Aubin, Charlotte Bigg, Guy Boistel, Theresa Levitt, Massimo Mazzotti, Ole Molvig, Simon Schaffer, Martina Schiavon , H. Otto Sibum, Richard Staley, John Tresch, Simon Werrett, Sven Widmalm
David Aubin is Professor of History of Science at the Université Pierre et Marie Curie, Paris, and a member of the Institut de Mathématiques de Jussieu.
Charlotte Bigg is a research scientist at the Centre National de la Recherche Scientifique (Centre Alexandre Koyré, Paris).
H. Otto Sibum is Hans Rausing Professor of History of Science and Director of the Office for History of Science at Uppsala University in Sweden.