* 1947 – William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.
* 1947 – William Shockley, John Bardeen and Walter Brattain invent the first transistor
0.079 seconds.
* 1947 – William Shockley, John Bardeen and Walter Brattain build the first practical point-contact transistor.
* 1947 – William Shockley, John Bardeen and Walter Brattain invent the first transistor
0.079 seconds.