Stuart Bradley has been involved in the arts and media for over 27 years, working extensively in theatre, radio, national television and corporate video.For over a decade he worked for BBC TV, presenting a variety of programmes including the BBC's Play School during the nineteen eighties, before fronting the young children's nature programme Caterpillar Trail, which itself was one of the afternoon replacements when Play School went to mornings only in April 1985.He now runs a production company called red90 with Martin Phillips and a regular feature at the office is Humpty, known by millions for his starring role in Play School.