Nicolas Lambert is a research engineer in geographic information science within the mixed service unit RIATE (Réseau Interdisciplinaire pour l’Aménagement et la Cohésion des Territoires de l’Europe – Interdisciplinary Network for the Development and Cohesion of Territories in Europe; UMS CNRS 2414). He is a specialist in data visualization, and the co‑author of a mapping textbook published by Armand Colin in 2016. He coordinates the research log Neocarto (website: https://neocarto.hypotheses.org).