John Draper also known as
Captain Crunch the phone
phreaker who discovered that the yellow toy whistle found in the breakfast cereal of the same name emitted the same frequency that was used by
A.T.& T. long lines to indicate that a trunk line was ready and available to route a new call.
- "I don't do that. I don't do that anymore at all. And if I do it, I do it for one reason and one reason only. I'm learning about a system. The phone company is a System. A computer is a System, do you understand? If I do what I do, it is only to explore a system. Computers, systems, that's my bag. The phone company is nothing but a computer."
- -- From Secrets of the Little Blue Box by Ron Rosenbaum, Esquire Magazine (1974)