Explanation:

- Vint Cerf: Known as a "Father of the Internet" for his role in developing TCP/IP protocols, he is not related to the invention of the microprocessor.

- Terence Percival: Known for his work in telecommunications, particularly the Wi-Fi invention, he wasn't involved with microprocessors.

- John Mauchly: Worked on the ENIAC, one of the earliest electronic general-purpose computers, but not on microprocessors.

- Ted Hoff: The first microprocessor, the Intel 4004, was invented by Ted Hoff along with Federico Faggin and Stanley Mazor at Intel.