The 2018 André Lagarrigue Prize has been awarded to Michel Spiro, research director emeritus at CEA, for the exemplary nature of his career, from both a scientific and managerial point of view. Spiro contributed, among other things, to the discovery of the W and Z bosons with the UA1 experiment, was the initiator and spokesperson of the EROS experiment, and played a major role in the GALLEX experiment. He has held several senior positions at CEA and CNRS and from 2010–2013 was president of the CERN Council.