George Garnett Dunning was more active in western films than Jack Conway.
Jack Ryan Conway (July 17, 1887  October 11, 1952) was a film director and film producer, as well as an actor of many films in the first half of the 20th century. 
George Garnett Dunning (November 17, 1920  February 15, 1979) was a Canadian-born filmmaker and animator. 
 He is best known for animating and directing the 1968 Beatles film "Yellow Submarine". 
