In 1947, John Bardeen, Walter Brattain and William Shockley led a team at Bell Labs that produced a semiconducter amplifier device that is now known as the transistor.
While patents were filed in 1925 by Julius Lilienfeld and in 1934 by Oscar Heil for “field effect transistors”, historical credit for the transistor has gone to the Bell Labs team.
PRECURSOR:
1855 – vacuum tube
SUBSEQUENT:
integrated circuits
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