Thomas W. Swidarski, CEO of the struggling maker of automatic teller machines, stepped down Jan. 24.

WSJ: A Tougher Stand on CEOs With Bad Returns

Easy credit, debit cards and automatic teller machines may have made scrip a thing of the past.

FORBES: Substitute Money

Over the past five years he compressed 30 business lines to 3: automatic teller machines, cash registers and Teradata.

FORBES: The Resurrection of NCR

Six months later the image still sears Brown's mind, but he conjures up another one: an even more crippling new wave of attacks that might come next, puncturing the U.S.' technology underbelly and disabling the networks that keep nuclear missiles in their silos, the lights on in hospitals and automatic teller machines belching out cash.

FORBES: Scare Tactics

Under his leadership, Citibank pioneered automatic-teller machines.

FORBES: Walter B. Wriston: A Remembrance