James Edward Maceo West – Electret Microphone Inventor – African American History Month 2015 #BlackHistoryMonth

James Edward Maceo West – Electret Microphone Inventor – American inventor and acoustician. Along with Gerhard Sessler, West developed the foil electret microphone in 1962 while developing instruments for human hearing research. Nearly 90 percent of the more than two billion microphones produced annually are based on the principles of...