Re: [TUHS] RIP Claude Shannon

In the early 70s I became aware of Shannon, the Nyquist Theorem, and digital audio, and naively started collecting TTL parts to try to build my own music computer (I still have bags of those parts in the garage...). From http://www.indiana.edu/~emusic/etext/digital_audio/chapter5_digital.shtml: "Twenty years later, Claude Shannon, mathematician and early computer scientist, also working at Bells Labs and then M.I.T., developed a proof for the Nyquist theory (thereby making it a theorem)*. The importance of their work to information theory, computing, networks and digital audio cannot be understated." CHS -----Original Message----- From: Dave Horsfall Sent: Friday, February 23, 2018 3:44 PM To: The Eunuchs Hysterical Society Subject: [TUHS] RIP Claude Shannon We lost Claude Shannon on this day in 2001. He was a mathematician, electrical engineer, and cryptographer; he is regarded as the "father" of information theory, and he pioneered digital circuit design. Amongst other things he built a barbed-wire telegraph, the "Ultimate Machine" (it reached up and switched itself off), a Roman numeral computer ("THROBAC"), the Minivac 601 (a digital trainer), a Rubik's Cube solver, a mechanical mouse that learned how to solve mazes, and outlined a chess program (pre-Belle). He formulated the security mantra "The enemy knows the system", and did top-secret work in WW-2 on crypto and fire-control systems.