Aug 14, 2012 2:48 PM by Lacey Steele
The actor best known as the nerdy high-school student Arnold Horshack on "Welcome Back, Kotter," has died in Florida.
Ron Palillo died early this morning in Palm Beach Gardens of an apparent heart attack.
Palillo was forever remembered for the character he played from 1975 to 1979 on the hit sitcom.
He was 63.