Diogo Ramada Curto, a distinguished historian, academic, and director of the National Library of Portugal, has passed away. Known for his restless spirit and interdisciplinary approach to history, he challenged traditional narratives, particularly regarding the Portuguese colonial expansion. A prolific author and professor at the Universidade Nova de Lisboa, he left a significant mark on social sciences and historical research, remembered by peers and institutions for his critical intellect and dedication to public service.