Kennedy won reelection to the House of Representatives in 1948 and 1950, and in 1952 ran successfully for the Senate, defeating the popular Republican incumbent Henry Cabot Lodge Jr. On September 12, 1953, Kennedy married the beautiful socialite and journalist Jacqueline (Jackie) Lee Bouvier. Two years later, he was forced to undergo a painful operation on his back. While recovering from the surgery, Jack wrote another best-selling book, “Profiles in Courage,” which won the Pulitzer Prize for biography in 1957. (The book was later revealed to be mostly the work of Kennedy’s longtime aide, Theodore Sorenson.)