John Mark "Johnny" Galecki (born April 30, 1975 - Bree, Belgium) is an American actor. He is best known for his roles as David Healy in the ABC sitcom Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in the CBS sitcom The Big Bang Theory.
Galecki was born in Bree, Belgium, to American parents of Polish, Irish, and Italian descent. His mother, Mary Lou (née Noon), was a mortgage consultant, and his fathe...
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John Mark "Johnny" Galecki (born April 30, 1975 - Bree, Belgium) is an American actor. He is best known for his roles as David Healy in the ABC sitcom Roseanne, Rusty Griswold in National Lampoon's Christmas Vacation, and as Leonard Hofstadter in the CBS sitcom The Big Bang Theory.
Galecki was born in Bree, Belgium, to American parents of Polish, Irish, and Italian descent. His mother, Mary Lou (née Noon), was a mortgage consultant, and his father, Richard Galecki, was a member of the U.S. Air Force stationed in Belgium and also worked as a rehabilitation teacher. He has a younger brother, Nick, whom he describes as a mechanical genius in the automotive industry, and a younger sister, Allison. Galecki moved to Oak Park, Illinois, with his family when he was three years old.
During an interview with New Zealand radio station 'ZM', Galecki jokingly recalled his childhood relationship with his mother. As a child, he was well known for making up long, epic stories and tales. In such...
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