Muriel Le Roux is a senior researcher at the Centre National de la Recherche Scientifique in France. Having been at the Maison Française d'Oxford (UK), she is based at the Institut d'histoire moderne et contemporaine (CNRS – ENS – Paris 1). A specialist in the history of science, technology and business, she has been in charge of research programmes for the Committee for the History of the Post Office (CHP) for many years.