More Notable Birthdays on July 21:
1978 - Josh Hartnett, born in St. Paul, Minnesota, film producer, actor, movies include 'Black Hawk Down', 'Pearl Harbor', People magazine's 50 Most Beautiful People 2002
1952 - Robin Williams, born in Chicago, Illinois, comedian, Mork and Mindy, Awakenings
1948 - Garry Trudeau, political cartoonist, Doonesbury
1911 - Marshall McLuhan, born in Canada, writer, Medium is the Massage