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.
The Disappointing Child: The Leonard Hofstadter Story
Based on the Big Bang Theory. Leonard Hofstadter growing up with his mother Beverly a Psychiatrist. Detailing all of Leonard failures and childhood issues pleading him today. From her books The Disappointing Child and Needy Baby, Greedy Baby.
