The late Donald John Redhead, known as Don Redhead. A Chartered Accountant, mathematician and co-founder with Alfred Donovan, Bob Donovan and John Donovan of the international sales promotion company Don Marketing. The photograph was taken in or around 1981.
Don can also be seen in this video clip from the BBC TV Money Programme in 1984, seeding Shell Mastermind high-value prizes into the print run of 96 million game pieces.