 The Ottaway brothers retired from the amusement park business in the early 1970s and sold the park to Stanley and Margaret Nelson.Stanley died on July 13, 2010, at the age of 87.He and Margaret were the driving force behind the park for over 30 years and a large percentage of its current rides, including the Bill Tracy-designed prototype Whacky Shack dark ride, added in 1974, come from the Nelsons' time as owners.