Kees van Prooijen

Kees (Cornelis) van Prooijen (born 7 August 1952) is a creator of computer art.[1] Although it does not bear his name, he independently discovered the Bohlen-Pierce scale,[2][3] a non-octave-repeating scale based on the tritave and spectra containing odd harmonics, in 1978. Van Prooijen came across the scale through an investigation of continued fractions.[4][5][6]

He also invented the Kees height, or an "expressibility" measure for complexity of just intonation pitch classes.[7][8]

Sources
  1. Kees van Prooijen Homepage
  2. Kees van Prooijen: "A Theory of Equal-Tempered Scales". Interface, Vol. 7 (1978), pp. 45–56. Swets & Zeitlinger B.V. – Amsterdam.
  3. Kees van Prooijen. "13 tones in the 3rd harmonic", kees.cc.
  4. "What Were They Investigating?", Bohlen-Pierce Site.
  5. Sethares, William A. (2005). Tuning, Timbre, Spectrum, Scale, p.74. ISBN 9781846281136.
  6. Schroeder, Manfred. "Music and Mathematics", p.14. Nova Acta Leopoldina N.F. 92, Nr. 341, ISBN 3-8047-2237-7 (Halle, 2005), pp. 9–15.
  7. "Kees+height", on Xenharmonic Wiki.
  8. "Kees+van+Prooijen", on Xenharmonic Wiki.

Further reading
  • Wolfgang Auhagen, ed. (2005). Science and Music: The Impact of Music: Leopoldina Symposium, Halle/Saale, May 13 to 15, 2004, p. 14. Deutsche Akademie der Naturforscher Leopoldina. ISBN 9783804722378.


gollark: One possible way to fix this would be to have a central "broker" task which receives all state-updating commands ever and maintains stateful state, but this would be annoying too unless I can give everything else read access to it, and actually getting responses back would probably be irritating.
gollark: i.e. two people try and register with the same nick at exactly the same time, and then it has two people with the same nick because each time it checks it hasn't been written yet, and then everything breaks horribly.
gollark: But then I realized "OH APIOFORMS, that is probably vulnerable to weird race conditions".
gollark: So I thought "well, I'll just make it check if the nick is in use when it gets the NICK command".
gollark: However, this does not actually stop multiple people having the same nick, which is no.
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