John T Draper, a k a Cap'n Crunch is perhaps the most legendary
phone phreak. The golden era of phone phreaking was in the late
60's and early 70's, and consisted of groups of phone addicts in
New York, Florida, SF and elsewhere exploring and exploiting the
phone system. He was one of the first to actually design and
build a properly working blue box, with which you then make
phone calls for free from any phone. Together with other
phreakers in the SF Bay Area, he lead much of the phreaker
exploration of the Ma Bell phone system just by trial and error.
They actually did a lot of work for the phone company by
reporting broken lines they came upon. They also got arrested
and sent to jail one by one.   In 1971 he became a  friend of
Woz's, who naturally was very interested in phreaking and also
tried to build his own blue box, which he eventually did. Cap'n
Crunch actually wrote the first word processor for the Apple II
computer, "EasyWriter". He was also one of the members of The
Home Brew Computer Club, where