![William Shockley quotes: It has today occurred to me that an amplifier using semiconductors rather than vacuum is in principle possible.[Laboratory notebook, 29 Dec 1939.]](http://www.wisefamousquotes.com/images/william-shockley-quotes-279036.jpg "William Shockley quotes: It has today occurred to me that an amplifier using semiconductors rather than vacuum is in principle possible.[Laboratory notebook, 29 Dec 1939.]")
The objective of producing useful devices has strongly influenced the choice of the research projects with which I have been associated.
The objective of producing useful devices has strongly influenced the choice of the research projects with which I have been associated.
