Christelle Rabier, a lecturer in social sciences at EHESS, is a historian of European science, technology and medicine. After a thesis on the economic, political and social history of the surgeons of Paris and London in the 18th century, she developed research on the consumption of medicine in Europe in modern times. Since moving to Marseille, she has co-coordinated a research programme on the material history of the social sciences (Questionner le monde). After two years of collective research on the Mémoires coloniales de Marseille (2019-2020) in the framework of the RCAHS mention, she is now developing a history of scholarly and medical information, 15th-21st centuries, favouring feminist and decolonial approaches. Christelle Rabier has published several collectives: Fields of Expertise (Cambridge Scholars Publishing, 2007); ; « Fitting for Health», Technology and Culture 2013 ; « Sciences sociales d’Asie orientale », Tracés . Revue de sciences humaines (hors série 2017) ; « Faire revue », Tracés (hors série 2018), « Angoisse », Tracés (2021).