PBS
Pbs: Transistorized!
This site provides a tour of the discovery and development of the transistor form PBS, including video and lesson plans.
The Franklin Institute
Franklin Institute: The Case Files: Early History of Computing
Computers are ubiquitous today. Step back in time and meet some of the early inventors of precursors to computers, and of the first computers.
National High Magnetic Field Laboratory
Magnet Academy: Walter Brattain (1902 1987)
Walter Houser Brattain discovered the photo-effect that occurs at the free surface of a semiconductor and was co-creator of the point-contact transistor, which paved the way for the more advanced types of transistors that eventually...