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Rise of Silicon

In 1956, William Shockley, the co-inventor of the first working transistor (with John Bardeen and Walter Houser Brattain), moved from New Jersey to Mountain View, California, to start Shockley Semiconductor Laboratory to live closer to his ailing mother in Palo Alto. Shockley's work served as the basis for many electronic developments for decades. Both Frederick Terman and William Shockley are often called "the father of Silicon Valley". Unlike many other researchers who used germanium as the semiconductor material, Shockley believed that silicon was the better material for making transistors. Shockley intended to replace the current transistor with a new three-element design (today known as the Shockley diode), but the design was considerably more difficult to build than the "simple" transistor. In 1957, Shockley decided to end research on the silicon transistor. As a result of Shockley's abusive management style, eight engineers left the company to form Fairchild Semiconductor; Shockley referred to them as the " traitorous eight ". Two of the original employees of Fairchild Semiconductor, Robert Noyce and Gordon Moore, would go on to found Intel.

Following the 1959 inventions of the monolithic integrated circuit (IC) chip by Robert Noyce at Fairchild, the first commercial MOS IC was introduced by General Microelectronics in 1964. The first single-chip microprocessor was the Intel 4004, designed and realized by Federico Faggin along with Ted Hoff, Masatoshi Shima and Stanley Mazor at Intel in 1971. In April 1974, Intel released the Intel 8080, the second 8-bit microprocessor designed and manufactured by Intel.