 Garson won the Academy Award for Best Actress in 1942 for her role as a strong British wife and mother protecting the homefront during World War II in "Mrs. Miniver".The "Guinness Book of World Records" credits her with the longest Oscar acceptance speech, at five minutes and 30 seconds, after which the Academy Awards instituted a time limit.In 1942, Garson also co-starred in the powerful, dramatic film "Random Harvest" with Academy Award winner Ronald Colman.