The On-Screen Chemistry of John Wayne & Maureen O’Hara Two iconic actors who worked together on a number of films and who exuded fabulous chemistry both on screen ad as great friends, off screen, John Wayne and Maureen O’Hara, never seem to be considered among cinema’s great couples, like, say Tracy and Hepburn. Why is that? Hollywood Historian, Manny Pacheco explores the subject with Art Kirsch and John Coleman of Celebrating Act 2™. It’s a fun and fascinating conversation for all fans of acting and film.