found: Wikipedia, September 17, 2020(Lee Felsenstein, born April 27, 1945 in Philadelphia; American computer engineer who played a central role in the development of the personal computer; graduated high school in Philadelphia; as a young man, he was a New Left radical; studied at University of California Berkeley 1963-67, where he was a member of the Free Speech movement and wrote for the Berkeley Barb; after dropping out to work in engineering, he returned to UC Berkeley 1971 and graduated 1972 with a BS in electrical engineering and computer science; designed the Osborne 1, the first mass-produced portable computer; worked for several computer companies and as a consultant; he)
