Optical Document Security, Third Edition
Rudolf L. van Renesse is an independent consultant on document security for government departments and banking and financial institutions. Previously, he was senior research engineer in the Optics Department of TNO Institute of Applied Physics in The Netherlands. Dr. van Renesse has extensive experience in the areas of holography, optical inspection techniques, and the theory of colors and document security, and is the author of more than 70 publications in these areas.