John Draper
Phone phreaking
Publicly known as Captain Crunch; documented in contemporary reporting and later interviews about telephone experimentation.
Reviewed: 2026-10-16

John Draper — interviewed in → Secrets of the Little Blue Box
Date: 1971-10
Contemporary reporting, not a technical guide.
https://www.historyofphonephreaking.org/docs/rosenbaum1971.pdf

John Draper — recounted technical exchange with → Steve Wozniak
Date: Unknown
Attributed later recollection; not an inferred friendship.
https://www.storiesofapple.net/captain-crunch-on-apple-an-interview-with-john-draper.html