His probable birth years (1515/1516) are known from his age at death (49, recorded on his tombstone in the cathedral in Parma), and his probable birthplace was a small town in Flanders, Ronse (Renaix), right on the boundary between the French- and Dutch-speaking areas.
From this time on, numerous awards and recognitions were presented to him, such as the 1964 - price of Namur, Belgium 1962–1967 Italian Olivetti, Knokke and Ronse, Belgium and Cannes, France.
(Decroly cited by J.H. Badley, Dr. Ovide Decroly ed. Albert Decordier, Amicale Rijksbasisonderwijs, Ronse, Belgium)