Actor, Ron Palillo was best known for portraying the nerdy high school student Arnold “Horshack” on the iconic 1970s sitcom “Welcome Back, Kotter.” Palillo passed away Tuesday after suffering from an apparent heart attack at his home in Palm Beach Gardens, FL. He was 63 years-old.
“Welcome Back, Kotter” was the show that launched John Travolta’s career into superstardom. Palillo played “Horshack” from 1975 to 1979 on the ABC series.
