Biography:Jon Arthur Stone (April 13, 1931 – March 30, 1997) was an American writer, director, and producer who was best known as an original crewmember on the children's television show Sesame Street and is credited with helping to develop characters such as Cookie Monster, Oscar the Grouch and Big Bird. Stone won 18 television Emmy Awards. Many regard him as among the best children's television writers. Description above from the Wikipedia article Jon Stone, licensed under CC-BY-SA, full list of contributors on Wikipedia.