1966: James Goodfellow creates ATM pin numbers so people can take money out of the bank after hours
Whose idea: James Goodfellow
The inspiration: The Scottish engineer was tasked with figuring out a way for people to take out money from their banks after hours and on weekends. Eventually, the idea for the ATM was born, and some credit Goodfellow as its inventor. But what Goodfellow undoubtedly created was the Personal Identification Number (PIN).
Goodfellow knew there needed to be a way to confirm the customer’s identity at an ATM, but fingerprint scans or voice recognition devices seemed a little too complicated. Then he realized he could link a set of numbers, known only to the account owner, to an encoded card. If the two numbers matched, the person would receive their money.
What came of it: Goodfellow patented the pin number in 1966, and 40 years later received royal honors for his invention. Today, his system can be found in ATMs worldwide, not to mention anywhere debit cards are accepted.
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