Anthony Powell won his 3rd Academy award for his work on a movie that was directed by who?
Anthony Powell (designer):  He has won three Academy Awards, for "Travels with My Aunt" (1972), "Death on the Nile" (1978) and "Tess" (1979). Tess (film): Tess is a 1979 drama film directed by Roman Polanski, an adaptation of Thomas Hardy's 1891 novel "Tess of the d'Urbervilles".
Roman Polanski