Lee Boysel

Lee Boysel (December 31, 1938 April 25, 2021) was an American electrical engineer and entrepreneur. While at Fairchild Semiconductor, he developed four-phase logic and built the first integrated circuit with over 100 logic gates, and designed the Fairchild 3800 / 3804 8-bit ALUs. Boysel designed the Four-Phase Systems AL1. He founded Four-Phase Systems to commercialize the technology, and sold the company to Motorola in 1981.

Lee Boysel
Born(1938-12-31)December 31, 1938
DiedApril 25, 2021(2021-04-25) (aged 82)
EducationMSEE 1963
BSEE 1962
Alma materUniversity of Michigan
Occupation(s)Entrepreneur
Business executive
Electrical engineer
Investor
Known forFounder of Four-Phase Systems, Inc.
AwardsUniversity of Michigan Electrical & Computer Engineering Merit Award (2007)

He was a graduate of the University of Michigan.

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