A human-interest show that presented documentary-style biographies of celebrities through the recollections and testimonials of colleagues, friends, and relatives, This Is Your Life was one of the most popular shows on radio and television during its lengthy run. Although occasionally lesser-known but accomplished guests appeared on the program, the show is best remembered for its surprise tributes to Marilyn Monroe, Jack Benny, Bette Davis, and other Hollywood stars.

Created by perennial host Ralph Edwards for radio in the 1940s, This Is Your Life came to television on October 1, 1952 as a half-hour series lasting for nine seasons on NBC. On both radio and television, the show's format was the same. Edwards would appear to encounter the evening's guest by happenstance in or near the television studio. After a brief exchange of pleasantries, Edwards would announce "This is your life!" and the startled guest...