Condensed bio
born in Wilsele, Belgium;
1956 - autodidact study of photography;
1973 - autodidact study of computer science: first geometric structures (pseudonym Roger COQART);
1980 - autodidact study of photoconservation;
1985 - first publications on photoconservation;
1989 - creation of Permadocument - pH7;
1992 - first platinotypes;
1994 - professor of photographic conservation & restoration at the Academy of Fine Arts of Antwerp, Belgium;
1998 - creation of "Atelier pH7"
1999 - creation of website "pH7"
2002 - consultancy in photographic conservation