Donald Hall edited The Paris Review from 1953-1962. He started the series of interviews known as "The Art of Poetry," and interviewed, among others, T.S. Eliot and Ezra Pound. The archives of the interviews are now available on-line.
The text of Hall's interview with T.S. Eliot, "The Art of Poetry, #1," The Paris Review 21 (Spring-Summer 1959):
The text of his interview with Ezra Pound, "The Art of Poetry, #5," The Paris Review 28 (Summer-Fall, 1962):http://www.theparisreview.org/media/4598_POUND.pdf