Del Casher

Del Casher (originally Delton Kacher. Born 1938 in Hammond, Indiana) is an American guitarist and inventor. His many creations include the Wah-wah pedal, which significantly influenced the development of rock and roll guitar style. He also devised the Ecco-Fonic, and later the solid state Fender Electronic Echo Chamber. He was the first to introduce the Roland Guitar Synthesizer for the Roland Corporation.