Lawrence Berkeley National Laboratory
Berkeley Lab: Lawrence and His Laboratory
This website gives a complete description of the Lawrence Berkeley Laboratory's early years. The development of Lawrence's first and subsequent cyclotrons are chronicled.
Other
The Infancy of Particle Accelerators
An autobiography of Rolf Wideroe, an important figure in the development of accelerators. Many mentions of betatrons are made in the introduction and chapters 6, 7, 10 and 11. The site includes some technical information.
Other
National Academy Press: Donald William Kerst [Pdf]
A purely biographical site, written as a memoir or obituary. There is also a selected bibliography of Kerst's publishings, but no links to any of the articles. Requires Adobe Reader. [PDF]