'Welcome Back, Kotter' Star Dies from Heart Attack

TMZ
|
August 14, 2012

Ron Palillo -- the actor who played Horshack on "Welcome Back, Kotter" -- died this morning at his home near Palm Beach, FL from an apparent heart attack ... this according to someone close to the actor.

We're told Palillo was found by his partner of many years Joseph Gramm around 4:00 AM. Gramm called an ambulance and Palillo was rushed to the hospital, where he was pronounced dead.