On March 26, 1957, James Symington, an attaché at the American embassy in London, held a dinner party for three urbane couples: the publishing scion and ambassadorial assistant Michael Temple Canfield and his wife, Caroline Lee Bouvier, the younger sister of Jackie Kennedy; Prince Stanislas ‘Stas’ Radziwill, an émigré Polish aristocrat displaced by the second world war, and his wife, Grace Kolin, a Swiss shipping heiress; and Lord and Lady Dudley, a Conservative politician and a Viscountess. “I remember the date because it was a birthday party for my son,” Symington said later. “After their divorces, Lee married Radziwill, Grace married Lord Dudley, and Michael married Lady Dudley. It was quite a trio!”
This relationship roundelay may be indicative of postwar social ferment, or of F. Scott Fitzgerald’s remark to…
