Try Marc Goodman if you were into the Apple II.
Try Warren Robinett if you were into the Atari 2600.
Try Jeff Minter if you were into the VIC-20 or Commodore 64.
Try David Fox if you were into the Atari 8-bit computers.
Try Ed Rotberg if you were into arcade coin-ops.
Try John Harris if you read the book Hackers: Heroes of the Computer Revolution.