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Alexandre Debain

French harmonium inventor (1809-1877)

  • Fame43.9
  • Momentum10.0
  • Wikipedia249
Source-basedRising
Lived 1809–1877, aged 68France
France flagFrance
  • Wikipedia
    10 languages
    Cross-language footprint
  • Era
    1809–1877
    Aged 68
  • Awards
    1
    recognised work
Summary
Updated 2026-08-04

Alexandre-François Debain was a French inventor who developed the harmonium. He made a new action system, in which, when depressing a note on the keyboard, a valve opened thereby emitting sound from the instrument. He patented it in Paris in 1842.

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Fame
Rising
43.9
Composite of search demand, mentions, audience & graph footprint.
Score components
Momentum10.0
Historical8.7
Source confidence55.0
Completeness50.0
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