Trevor was born in 1937 in London during the Blitz. At the age of 15, Trevor swam for Britain, and on leaving school, worked as a stunt man, escapologist in a Berlin circus, and as a Physical Training Instructor for Army. Later he joined a swimming pool company as a salesman, and then moved into R & D. In 1970, he designed and built a large portable glass sided tank which was used for giving high diving and underwater swimming exhibitions. speakerscorner.co.uk