Some of the 20th century's most distinguished performers, scientists, artists and politicians were the Queen's guests at Windsor Castle for an Order of Merit lunch. Standing: Sir John Gielgud, Lord Jenkins, Sir Michael Atiyah, Dr Max Perutz, Lord Menuhin, Dame Joan Sutherland, Lord Porter, Sir Aaron Klug, Sir Edward Ford (Secretary). Seated: Mr Frederick Sanger, Baroness Thatcher, Professor Owen Chadwick, Sir George Edwards, Prince Philip (Senior OM), The Queen, Sir Isaiah Berlin, Sir Andrew Huxley, Dame Cicely Saunders, Sir Ernst Gombrich.