Since the question was about electric bass (not necessarily electric bass guitar), my guess is Ampeg cofounder Everette Hull:
"In 1946, Everette Hull, an acomplished pianist and bass player, organized a partnership with Stanley Michaels under the name "Michaels-Hull Electronic Labs." Their mission was to produce a new microphone pickup that Hull designed. The pickup was fitted on the end of an upright bass and was dubbed the Amplified Peg or "Ampeg" for short."
Consider all hairs split, and let the flaming begin.
