In April 1972 the famous silent movie star set foot in the USA for the first time in two decades. He had left with his family in the 1950s, amid scandals over his personal life and left-wing views. The family settled in Switzerland. His son, Eugene Chaplin, speaks to Mike Lanchin about his father, and recalls Chaplin's love-hate relationship with America.

(Photo: Charlie Chaplin as the Tramp in the 1925 film, The Gold Rush. Credit: Getty Images)