If you want the history of the EPROM get it from the guy who invented it:
http://archive.computerhistory.org/resources/access/text/Oral_History/102702214.05.01.acc.pdf
Interesting fact - the EPROM was originally designed to be erased with X-Rays and the idea of using UV light and a window was not something the designer thought would be possible.
viperrwk