Bar codes were invented by Bernard Silver and Norman Woodland in 1948. Their system used light to read a set of concentric circles, but they had to wait two decades before the advent of computers and lasers made their system practical. (However, the bar code system in use today is the Universal Product Code, introduced by IBM in 1973. The first bar coded item sold was a pack of gum in 1974.)
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Grover Cleveland, sheriff and executioner:
Twenty-second President of the United States Grover Cleveland was the first Democrat elected after the Civil War, but his early days in politics were less demonstrative. After losing the race for New York's Erie County DA, he was elected sheriff for the area, and even carried out hangings personally, to save himself the $10 executioner fee.
Sports command the biggest television audiences, led by the summer Olympics, World Cup Football and Formula One racing.
The record for the most major league baseball career innings is held by Cy Young, with 7,356 innings.