Working from a cowshed on a farm in Kent, Oliver Postgate (1925-2008) and Peter Firmin (born 1928) produced some of the best-loved British children's animated television of the 1960s and 1970s. Their iconic productions include Bagpuss (originally aired in 1974), The Clangers (1969-74), Ivor The Engine (1975-77), Pogles' Wood (1966-68) and Noggin The Nog (1959-65). Postgate and Firmin worked together from 1959 through the 1980s, creating popular, beloved characters that appealed to children and their parents alike, like the whistling, mousy Clangers (knitted...