Lee Boysel
| Lee Boysel | |
|---|---|
| Born | December 31, 1938 | 
| Died | April 25, 2021 (aged 82) | 
| Education | MSEE 1963 BSEE 1962 | 
| Alma mater | University of Michigan | 
| Occupation(s) | Entrepreneur Business executive Electrical engineer Investor | 
| Known for | Founder of Four-Phase Systems, Inc. | 
| Awards | University of Michigan Electrical & Computer Engineering Merit Award (2007) | 
Lee Loren 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.
He was a graduate of the University of Michigan.