If you want a "brief" history tour of the COSMAC Hardware under Chip-8 (From the ELF to the VIP) and the man behind it all (Joseph Weisbecker) then you're in luck because @TechTimeTraveller has just dropped a video on the subject https://www.youtube.com/watch?v=H3Pdf8iRw5E (the history part ends around the 17min mark).