The object
Bill Mensch co-designed the MOS Technology 6502 microprocessor, a low-cost chip used in early Apple, Commodore, Atari, and Nintendo hardware. His current Western Design Center biography documents the patents and his continuing chairmanship and chief executive role extending the 65xx processor family.
01
What Bill did
Co-designed the 6502 microprocessor and later extended the 65xx architecture.
02
Why it matters
WDC documents 6502-family use in formative personal computers, video-game consoles, and the Smithsonian collection.
03
Living-status check
The University of Arizona published a May 2025 conversation with Mensch about microprocessors, embedded intelligence and innovation.