Jan Savitt (born Jacob Savetnick; September 4, 1907 – October 4, 1948), known as "The Stokowski of Swing", from having played violin in Leopold Stokowski's orchestra, was an American bandleader, musical arranger, and violinist.
Author: Unknown Source: Ad on page 232 (scroll to the subsequent page after clicking -- direct link doesn't work) of the Billboard 1943 Music Yearbook License: PD US no notice