Gunzburg developed the Natural Vision stereoscopic 3 - D system .
Milton Lowell Gunzburg ( 1910 -- April 6 , 1991 ) was an American journalist and screenwriter .
journalist developed the Natural Vision stereoscopic 3 - D system .
Milton Lowell Gunzburg ( 1910 -- April 6 , 1991 ) was an American journalist and screenwriter .