Federico Faggin (born December 1, 1941), is an Italian physicist and electrical engineer, mostly widely known for designing the first commercial microprocessor. He lead the 4004 (MCS-4) project and the design group during the first five years of Intel's microprocessor effort. He was founder and CEO of Zilog, the first company solely dedicated to microprocessors.

In 2010 he received the National Medal of Technology and Innovation, the highest honor the United States confers for achievements related to technological progress.

Born in Vicenza, Federico Faggin received a Laurea Degree in physics, summa cum laude, at the University of Padua, Italy.^{[citation needed]} At age 19, after his graduation from technical high school A. Rossi (Vicenza), he took a job at Olivetti, in Italy, where he co-designed and led the implementation of a small computer. After obtaining his university degree he worked at SGS Fairchild in Italy, where he developed SGS's first MOS process technology and designed its first integrated circuits. In 1968 he moved to Palo Alto and worked at Fairchild Semiconductor, where he created the MOS Silicon Gate technology with self-aligned gate, the basis of all modern CMOS computer chips. At Fairchild he produced the world's first commercial integrated circuit using Silicon Gate Technology with self aligned MOS transistors: the Fairchild 3708.

Federico is a given name and surname.

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Federico, Visigoth general and brother of Theodoric II who died at the Battle of Orleans

Stanley Mazor is an American engineer who was born on 22 October 1941 in Chicago, Illinois. He was one of the co-inventors of the world's first microprocessor, the Intel 4004, together with Ted Hoff, Masatoshi Shima, and Federico Faggin.

As a youth, Mazor's family moved to California, where he attended Oakland High School from which he graduated in 1959. He enrolled in San Francisco State University (SFSU), majoring in math and studying helicopter design and construction as a hobby. Mazor met his future wife Maurine at SFSU and they wed in 1962. Around the same time, he became interested in computers and learned to program SFSU’s IBM 1620 computer, taking a position as a professor’s assistant and teaching other students to use the technology. Meanwhile, he continued to study computer architecture in technical manuals outside of school.

In 1964, he became a programmer with Fairchild Semiconductor, followed by a position as computer designer in the Digital Research Department, where he co-patented “Symbol,” a high-level language computer.