Vincent Simoulin is professor of Sociology at University of Toulouse 2 Jean Jaurès and researcher at CERTOP (UMR 5044 CNRS). His research focuses on sociology of science, organizational change and territorial governance. he has among others published « An instrument can hide many others: or how multiple instruments grow into a polymorphic instrumentation », Social Science Information, Vol. 56, n° 3, pp. 416-433 or « The Synchrotron Generations: Communities and Facilities at the Crossroads between the National and the International ». Vol. 57, n° 3, 2016, pp. 340-361.