“…The prospect of being able to identify criminological conditions, and types, fundamentally revolutionized criminology and led to the establishment of international penal reform movements such as the Union Internationale de Droit Pénal (UIDP), in 1899, by the three figures who continued to develop Social Defence philosophy: Adolphe Prins, Gerhardus Van Hamel and Antonius Von Liszt (Vervaele, 2015). The UIDP brought together leading advocates of penal reform from politics, prison inspection and academia.…”