 Nicholas Shepherd-Barron

Nicholas Shepherd-Barron is a notable British mathematician and computer scientist, particularly known for his contributions to the field of mathematics and for his role in developing technology related to automated teller machines (ATMs). He is often credited with the invention of the idea behind the ATM. In terms of specific achievements, he developed a system that allowed for cash withdrawals using a card and a PIN, which became a standard feature in ATMs.