Lucent technologies: Bell Labs Innovations.

http://www.lucent.com/ideas
/heritage/transistor/

This site celebrates the 50th anniversary of the invention of the transistor by Bardeen, Brattain and Shockley at Bell Labs. The history, impact and function of the transistor are discussed together with current transistor research and a transistor FAQ (Frequently-Asked Questions). There are downloadable Adobe Acrobat .pdf pages here as well.