Steve Wozniak
Steve Wozniak (born 1950) is an engineer and co-founder of Apple who designed the Apple I and Apple II computers.
In 1957, a blind boy named Joe Engressia with perfect pitch discovered that whistling a 2600Hz tone into a telephone could manipulate the phone system. This became known as 'phreaking.' Among the next generation it inspired were Apple co-founders Steve Jobs and Steve Wozniak.
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