Here is The History Of Semiconductors And Transistors

In 1945, Bell Labs founded a group to develop semiconductor replacements for vacuum tubes. The group, led by William Shockley, with the help of Walter Brattain, John Bardeen, and some other people. In 1947 Bardeen and Brattain succeeded in creating an amplifying circuit utilizing a contact-point “transfer resistance” device which came to be known as […]