CC#/DbDD#/EbEFF#/GbGG#/AbAA#/BbB
Isaac Newton (1704)
Louis Bertrand Castel (1734)
George Field (1816)
D. D. Jameson (1844)
Theodor Seemann (1881)
A. Wallace Rimington (1893)
Bainbridge Bishop (1893)
H. von Helmholtz (1910)
Alexander Scriabin (1911)
Adrian Bernard Klein (1930)
August Aeppli (1940)
I. J. Belmont (1944)
Steve Zieverink (2004)
Circle of Fifths (Johnston 2003)