Original vintage broadcasting trade magazine ad for WGN of Chicago, IL.  It Takes Leadership, Cooperation and Participation to Produce Winners!  WGN Radio and WGN Television acknowledge the annual Alfred P. Sloan Awards for distinguished public service in highway safety.  Chicago Fire Department, Police Department, Citizens Traffic Safety Board, Cook County Sheriff's Police, highway Minutemen, Illinois State Highway Police, Indiana State Police, Key Club International, Michigan State Police, Wisconsin State Patrol.  Old 1965 radio and television broadcasting industry advertisement.