DAVIS, MILES DEWEY, JR. Jazz trumpeter ( in Alton, Illinois). His family moved to East St. Louis, Illinois, when he was an infant less than a year old. He first studied trumpet in elementary school; when he was thirteen he was given his own trumpet and thereafter he studied with St. Louis musician Elwood Buchanan . He obtained his musical education in the public schools of East St. Louis and at Juilliard School of Music in New York (1945),...