Van der Kallen was born in Leeuwarden and, under the pen-name of Havank, published over 30 crime-novels and stories, with as principal characters French police officers Bruno Silvère and Charles C.M. Carlier (the latter better known as De Schaduw, "the Shadow").
Van der Kallen blev født i Leeuwarden og under pennavnet Havank (afledt af forkortelsen af hans navn, H van K) udgav han over 30 kriminalromaner og historier, hvor hovedpersonerne var de franske politibetjente Bruno Silvère og Charles C.M. Carlier (sidstnævnte bedre kendt som De Schaduw, "The Shadow").