Walter Clarence Taylor Jr. (February 26, 1907 – October 3, 1994), known as Dub Taylor, was an American character actor who from the 1940s into the 1990s worked extensively in films and on television, often in Westerns but in comedies. He was the father of actor Buck Taylor, who played the character Newly O'Brien on "Gunsmoke".
Walter Clarence Taylor Jr's career stretched over 50 years. 
The statement made mention that Walter Clarence Taylor Jr. worked from the 1940s to the 1990s which is 50 years. 