a production of Yale University Films for Frontline ; WGBH Educational Foundation ; WGBH Boston ; producer-director, William Peters ; writers, William Peters, Charlie Cobb
a production of Elliott & Elliott Eyes, Inc. in association with Pennsylvania Production Associates, Inc. ; producers, Susan A Golenbock, William Talmadge
a production of Elliott & Elliott Eyes, Inc. in association with Pennsylvania Production Associates, Inc. ; producers, Susan A Golenbock, William Talmadge