John Shepherd-Barron
[3] He was educated at Stowe School, the University of Edinburgh and Trinity College, Cambridge (from where he dropped out before successfully finishing the first year in Economics)."[4][6][7] The first De La Rue Automatic Cash System (DACS) machine, called Barclaycash, was installed outside the Enfield branch of Barclays Bank in northern Greater London in June 1967.The first person to withdraw cash was actor Reg Varney, a celebrity resident of Enfield known for his part in a number of popular television series.[4] Initially, a PIN length of six digits was proposed; Shepherd-Barron tested this system on his wife, Caroline, but found that the longest string of numbers that she could remember was four.[4] Shepherd-Barron received the OBE in the 2005 New Year's Honours list for services to banking as "inventor of the automatic cash dispenser".
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