Raymond Frederick `` Ray '' Harryhausen ( June 29 , 1920 -- May 7 , 2013 ) was an American visual effects creator , writer , and producer who created a form of stop-motion model animation known as `` Dynamation . ''
Raymond `` Ray '' Harryhausen ( June 29 , 1920 -- May 7 , 2013 ) was an American visual effects creator , writer , and producer .