Breadcrumb Home Canter kept WWII secret for a half century Tuesday, September 4, 2012 Iowa Public Radio Talk of Iowa http://www.press-citizen.com/article/20120901/FEATURES/309010032/Radio-silence?… University of Iowa psychiatry emeritus Arthur Canter kept his World War II duties as a voice interceptor a secret for more than 50 years. A paid subscription is required to read this story.