Typex (1962) is an Amsterdam College for the Arts graduate. His work appears in many nationwide newspapers and magazines. He illustrates numerous children's books and has published some of his own. He is also author of numerous comic books. Gerrit de Jager and Gert Jan Pos wrote the concept for Rembrandt. Gert Jan Pos (1967) is a journalist and translator. He curated several comic related art shows. At the moment he works as a trustee of comics for The Netherlands Foundation for Visual Arts, Design and Architecture.