From: sauer@technologists.com (Charles H Sauer)
Subject: [TUHS] RIP Claude Shannon
Date: Sat, 24 Feb 2018 18:03:23 -0600 [thread overview]
Message-ID: <A0CD39FDF4054E238037BFEEFBBB425A@studyvista> (raw)
In-Reply-To: <alpine.BSF.2.21.1802240842390.20297@aneurin.horsfall.org>
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.
--
Dave Horsfall DTM (VK2KFU) "Those who don't understand security will
suffer."
next prev parent reply other threads:[~2018-02-25 0:03 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-23 21:44 Dave Horsfall
2018-02-25 0:03 ` Charles H Sauer [this message]
2018-02-25 12:44 ` Mike Markowski
2018-02-25 14:26 ` Charles H Sauer
2018-02-25 23:31 ` Bakul Shah
2018-02-24 7:28 Rudi Blom
2018-02-25 13:16 Doug McIlroy
2018-02-25 13:59 ` Otto Moerbeek
2018-02-26 20:47 Doug McIlroy
2018-02-26 21:16 ` Dave Horsfall
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