John Van Ryzin was a game programmer in the classic Atari 2600 era. He worked at Activision and Absolute Entertainment. The following games have been credited to him. (Please /msg with any additions).

Gamelist

Cosmic Commuter for the Atari 2600
F-18 Hornet for the Atari 7800
H.E.R.O. for the Atari 2600
H.E.R.O. for the Atari 5200
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