Jan Bertus Heukelom
Jan Bertus Heukelom (16 February 1875 – 9 July 1965) is a Dutch painter, postage stamp designer, designer, exlibrist, decorative artist, illustrator, draftsperson, graphic artist, lithographer, watercolorist, pastellist, and wood engraver. He was born in Amsterdam. He died in Voorburg.