Richard Benjamin Harrison -- known to millions of "Pawn Stars" fans as "The Old Man" -- has died, according to a post on the official Facebook page for Las Vegas' Gold and Silver Pawn shop, the setting for the hit reality show. He was 77 years old. "The Old Man" is the father to Rick Harrison, who is the main star of the show and the current leader of the shop, often teaching viewers about the ins and outs of the pawn business.