- Hugh Davies
( 1910–95). French radio engineer and designer of electronic instruments. In Versailles in 1932 he began the research that culminated in 1943 with his first electronic organ, exploring nearly ten methods of sound production. In 1936, in collaboration with the harmonium manufacturer P. Petitqueux, he developed the Mutatone, an electro-acoustic harmonium that used electrostatic pickups to amplify the vibrations of the free reeds; it was demonstrated at St Odile, Paris, in ...