Johnny Galecki is a Belgian-born American actor, best known for his roles as David Healy in Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in The Big Bang Theory.
I'm trying to create a calendar of sorts, which has a celebrity birthday for every day of the year. Because I'm weird and obsessed like that. If you want to join me, go ahead—add whoever you want! My only request is that you double check the birthdate is correct before submitting.
