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Vol. 86 July 18, 2026 No. 19

J. W. Crooks

inventor of the "Themodist"

Biography

J. W. Crooks invented the "Themodist" in 1900, one of several devices developed in this period to help amateur player-piano operators achieve expressive, individualized performances rather than a strictly mechanical rendering. No further biographical information is given.

Highlights

  • Invented the "Themodist" in 1900

Source

Alfred Dolge, Pianos and Their Makers, Vol. I (1911).

Public domain.

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