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The actor, famous for playing Arnold Horshack on the classic sitcom, suffered a heart attack in his sleep.

Hollywood has lost yet another iconic TV actor. Ron Palillo, who most fans remember as Welcome Back Kotter‘s lovable buffoon Arnold Horshack, suffered a heart attack Aug. 13 in his Palm Beach Gardens, Fla., home and passed away. He is survived by his partner of 41 years, actor Joseph Gramm.

After his four-year run on Kotter ended in 1979, Ron appeared on a number of hit TV shows, including One Life to Live and Cagney & Lacey.

In case you aren’t familiar with Ron — or you’re just a fan who’d like to enjoy the good times — here’s a famous clip from Welcome Back Kotter.

— Andy Swift

Follow @AndySwift

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