Morgan Sparks and Gordon Teal

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Date
1951
Credit Line
Reprinted with permission of Alcatel-Lucent USA Inc.
Copyright Owner
© Alcatel-Lucent USA Inc.
Object ID
500004320

Gordon Teal and Morgan Sparks fabricated William Shockley’s first junction transistor by dropping tiny pellets of impurities into molten germanium during the crystal-growing process.