EntityQ451005· pop 24· linked from 20 articlesOvide DecrolySign in to saveBelgian psychologist (1871–1932)ConnectionsGrand Orient of BelgiumEntityBelgiumCountrymedicineEntityteacherEntityIMDbEntityBrussels-Capital RegionEntityFreemasonryConceptInternet ArchiveEntityHumboldt-Universität zu BerlinEntitypsychologistEntityUccleEntityGhent UniversityEntityRonseEntitybiosocial theoryEntityJohn Haden BadleyEntityCategories1871 births1932 deaths19th-century Belgian educators20th-century Belgian educatorsBelgian educational theoristsBelgian psychologistsPeople from Ronse