“We have never seen eye to eye on a lot of things, but professionally, he’s one of the most professional actors I’ve ever worked with....He’s the first guy on the set, the hardest worker I’ve ever worked with.” —Kirk Douglas on John Wayne⁣ Happy Heavenly Birthday to Kirk Douglas! Duke and Douglas appeared together in In Harm's Way (1965), Cast a Giant Shadow (1966), and The War Wagon (1967). Which John Wayne–Kirk Douglas film is your favorite? Let us know in the comments! Correspondence between Duke and Douglas is on display at John Wayne: An American Experience Museum in the historic Fort Worth Stockyards. Open daily 9 AM–6 PM. Visit the link in our bio for tickets. #JohnWayne #KirkDouglas #ClassicHollywood #WesternLegends #FortWorthStockyards 📸 Bettmann/Getty Images