(FILES) Member of the French academy Yvon Gattaz departs after attending the annual opening ceremony at the Institut de France in Paris, on October 25, 2022. Yvon Gattaz, who was the boss of employers under Mitterrand, died on December 11, 2024 night at the age of 99, his family told AFP on December 12, 2024. (Photo by Ludovic MARIN / AFP) (Photo by LUDOVIC MARIN/AFP via Getty Images)