Notable fans have included Alec Guinness, who never travelled without a Trollope novel; the former British Prime Ministers Harold Macmillan, Earl of Stockton and Sir John Major; the first Canadian prime minister, John A. Macdonald; the economist John Kenneth Galbraith; the merchant banker Siegmund Warburg who said that "reading Anthony Trollope surpassed a university education."; the English judge Lord Denning; the American novelists Sue Grafton, Dominick Dunne and Timothy Hallinan; the poet Edward Fitzgerald; the artist Edward Gorey, who kept a complete set of his books; the American author Robert Caro; the playwright David Mamet and the soap opera writer Harding Lemay.