This article appears to be an excerpt from a longer book on the subject: Epstein, Edward Jay (1982). "THE DIAMOND INVENTION" The author has a website, http://

This article appears to be an excerpt from a longer book on the subject: Epstein, Edward Jay (1982). "THE DIAMOND INVENTION" The author has a website, http://www.edwardjayepstein.com/diamond/prologue.htm http://www.edwardjayepstein.com/diamond/prologue.htm with what appears to be the complete contents of the book. I don't know if he's updated it since 1982.