ATM

Lore & Background

The idea of out-of-hours cash distribution was first put into practice in Japan, the United Kingdom, and Sweden. The first generally recognized ATM was installed at Barclays Bank, Enfield, North London on 27 June 1967, inaugurated by English actor Reg Varney. This machine, the De La Rue Automatic Cash System (DACS), was credited to John Shepherd-Barron, who was inspired by a chocolate bar dispenser. Transactions used special paper vouchers impregnated with carbon-14, later matched with a four-digit PIN. The Barclays machine was followed just weeks later by a Swedish Bankomat installed on 6 July 1967 (an offline machine), and a British Chubb MD2 by a month. This patent is sometimes cited as the earliest complete 'currency dispenser system,' though that claim is disputed—earlier systems like Luther Simjian's 1939 patent exist. In the US, after looking at European experiences, Donald Wetzel of Docutel pioneered the ATM. The Smithsonian National Museum of American History recognized Docutel and Wetzel as inventors of the first networked ATM (the Docutel 300) in 1995.

Reader's Guide

The ATM revolutionized personal banking by providing 24/7 access to cash and account services, eliminating the need for bank staff interaction for routine transactions. Its invention involved multiple parallel developments in Japan, the UK, Sweden, and the US, with disputes over who built the first online machine. The introduction of the PIN by James Goodfellow enabled secure, automated verification, a foundational element for all subsequent ATMs. By 2015, nearly 3.5 million ATMs were installed globally. However, the rise of cashless payment systems has led to a gradual decline in ATM use. The ATM's legacy includes enabling financial inclusion, reducing reliance on bank branches, and setting the stage for modern digital banking interfaces. Its history illustrates how a simple idea—getting cash from a machine like a chocolate bar dispenser—sparked a global industry.

Did You Know?

• The first ATM in the UK was inaugurated by English actor Reg Varney on 27 June 1967 at Barclays Bank in Enfield, North London.
• As of 2015, there were close to 3.5 million ATMs installed worldwide, though their use is gradually declining with the increase in cashless payment systems.
• The Swedish Bankomat installed on 6 July 1967 was an offline machine; the first online ATM was the Docutel 300 in 1971.

The Birth of the Cash Machine

The concept of retrieving money outside of banking hours did not emerge from a single eureka moment. In 1960, Armenian-American inventor Luther Simjian patented an automated deposit device called the Bankograph, though it could only accept coins, cash, and cheques rather than dispense them. An experimental unit placed at City Bank of New York in 1961 was pulled after just six months when customers simply did not embrace it. A Japanese 'Computer Loan Machine' appeared in 1966, offering three-month cash loans at five percent interest upon credit card insertion, yet details remain scarce. The breakthrough most commonly cited came on 27 June 1967, when a machine built by De La Rue was switched on at Barclays Bank in Enfield, North London. English actor Reg Varney performed the ceremonial launch. The engineering team, led by John Shepherd-Barron, drew inspiration from chocolate bar vending machines, swapping sweets for banknotes. Transactions initially relied on carbon-14-marked paper cheques, later supplemented by a four-digit personal code. Shepherd-Barron received an OBE in the 2005 New Year Honours for the achievement.

The PIN: A Quiet Revolution in Security

While the physical dispensing of cash captured headlines, a quieter innovation proved equally transformative. In 1965, a group of engineers at Smiths Group working on the Chubb MD2 system devised a method of storing a personal identification number directly on the customer's card. The concept is credited to James Goodfellow, who filed British patent GB1197183 on 5 May 1966 alongside Anthony Davies. A corresponding US patent (3543904) was filed in March 1968 and granted in December 1970. This was the earliest complete 'currency dispenser system' to appear in patent records. Its influence rippled far beyond the original project: major industry entrants such as NCR Corporation and IBM licensed Goodfellow's PIN verification approach, and numerous subsequent patents cite the original filing as prior art. The underlying principle—matching a customer-entered code against a value stored either in the card's chip or in the issuing bank's database—remains the backbone of ATM authentication today. Earlier machines had relied on single-use paper tokens or carbon-14-marked vouchers, but the PIN system eliminated the need for human verification and made self-service genuinely secure.

A Global Machine with Many Names

The ATM's rapid international rollout brought a kaleidoscope of terminology. In the United States, the standard term is 'automatic teller machine,' though the redundant 'ATM machine' persists in everyday speech. Canadian institutions sometimes prefer 'automated banking machine' (ABM), yet many Canadian organizations still default to ATM. British English offers a richer palette: cashpoint, cash machine, and the colloquial 'hole in the wall' all circulate in common usage. Machines not owned or operated by a bank carry the label 'white-label.' The geographic spread was swift. Bank of Scotland deployed a De La Rue unit under the Scotcash brand in 1968, issuing customers personal code numbers and ten-pound vouchers. A Chubb-built machine reached Sydney in 1969. Swedish and British manufacturers drove much of the early diffusion, and by the time the ATM Industry Association tallied installations in 2015, the global count stood at nearly 3.5 million units. Customers can now withdraw cash in foreign countries, with conversion handled at the home institution's exchange rate, and even transfer credit to mobile phones—functions unimaginable to the first Enfield users.

From Vouchers to Cashless: The Long Arc

The ATM's story is not one of unbroken triumph. Simjian's 1961 Bankograph was withdrawn after mere months because New York customers refused to interact with it, a cautionary tale about technology outpacing public comfort. Even after the 1967 Barclays installation, early machines accepted only single-use tokens or carbon-14-stamped cheques that the machine retained, a far cry from today's magnetic-stripe or chip-based cards. The Speytec–Midland Bank collaboration, marketed by Burroughs Corporation from 1969 onward, introduced the magnetic stripe card and low-coercivity magnetism to complicate fraud. Yet the broader trajectory now points in a different direction. The ATM Industry Association's 2015 figure of roughly 3.5 million machines worldwide represents a peak rather than a floor; usage is steadily eroding as cashless payment systems gain ground. What began as a chocolate-bar-dispenser analogy in a De La Rue workshop has become so embedded in daily life that its gradual retreat is almost invisible, a quiet subtraction from the urban landscape.