Michael Stock is an English songwriter, record producer, musician, and member of the songwriting and production trio Stock Aitken Waterman. He has been responsible for over a hundred top-40 hits in the UK, including 16 Number One's and is recognised as one of the most successful songwriters of all time by the Guinness World Records. As part of Stock Aitken Waterman in the 1980s and 90s, he holds the UK record of 11 number one records with different acts. In the UK Singles Chart he has written 54 top-ten hits including 7 number ones.

Peter Alan Waterman is an English record producer, songwriter, and television personality. As a member of the Stock Aitken Waterman production and songwriting team, he co-wrote and co-produced many UK hit singles. An avid railway enthusiast, Waterman is the owner of significant collections of both historic and commercial railway locomotives and rolling stock.