Cause of death: Parkinson disease
Richard Benjamin Harrison Jr. (March 4, 1941 – June 25, 2018), also known by the nicknames "The Old Man" and "The Appraiser", was an American businessman and reality television personality, best known as the co-owner of the Gold & Silver Pawn Shop, as featured on the History Channel series Pawn Stars. Harrison was the co-owner of the pawn shop with his son Rick Harrison. They opened the store together in 1989.
Source : Wikipedia
