"Palillo, Ron"@en . . "Ronald Gabriel Paolillo"@en . "1975Z"^^ . . "2012-08-14Z"^^ . . "2012Z"^^ . . "Ronald Gabriel \"Ron\" Paolillo (April 2, 1949 \u2013 August 14, 2012) was an American television and film actor and teacher. He was best known as Arnold Horshack on the ABC sitcom Welcome Back, Kotter (1975\u201379)."@en . . "Paolillo, Ronald Gabriel (birthname)"@en . . "1949Z"^^ . "1949-04-02Z"^^ . "American actor, teacher" . . "Ronald G. Paolillo (as illustrator)"@en . . "2012Z"^^ .