Butt trained as a teacher at Cambridge from where in 1965 he joined
Abingdon School. There, he taught physics and coached rowing before moving to
The King's School, Canterbury, where he taught physics and astronomy and continued as a rowing coach. His pupils at The King's School included
Michael Foale, the first British-born astronaut. His
party pieces there were said to include reciting
pi to 3,500 places and having once memorised the entire British railway timetable. He created the observatory at The King's School and earned a master's degree in astrophysics. He was elected a fellow of the
Royal Astronomical Society in 1977 After his retirement from teaching in 1998 he worked for a decade as an
usher at Ashford County Court and was an examiner for the
British Physics Olympiad. == Rowing ==