He obtained a licenciate in philosophy at the Higher Institute of Philosophy of Catholic University of Louvain (Belgium) and a PhD in the humanities at the University of Paris (Sorbonne).
Theodoor de Booy | Adriaan Vlacq | Adriaan Luteijn | Theodoor Hendrik van de Velde | ''The Card Players'', 17th-century painting by Theodoor Rombouts | Jan Pieter Theodoor Huydecoper | Adriaan van Royen | Adriaan Stoop | Adriaan de Groot |