90 years of the journal and a tribute to Jacques Leplat Vol. 86, 2023/4 - pagesPages 295 to 297EditorialBy Françoise Darses, Christine Lagabrielle, Agnès Aublet-Cuvelier, Pascal SalembierPages 299 to 310Tribute to Jacques LeplatBy Jean-Michel Hoc, Alain Lancry, Janine Rogalski, Annie Weill-FassinaPages 311 to 328Psychological work analysis: Some historical landmarksBy Jacques LeplatPages 329 to 344Developments in the psychology of work and organizationsBy Claude LemoinePages 345 to 381French speaking ergonomics and its pioneersBy Béatrice Madiot, Alain Lancry