From Wikipedia
Dave Apollon (February 23, 1898 - May 1972) was a Russian mandolin
player.
Today Dave Apollon is regarded as one of the most innovative
and influential mandolinists of the Twentieth Century, whose more notable
recordings/performances include Two Guitars, Hora staccato by Grigoraș Dinicu
and Zigeunerweisen aka "Gypsy Airs" by Pablo de Sarasate. His styles
include Gypsy and various kinds of European Folk Music. He is also regarded as
one of the first jazz mandolinist, with such memorable recordings as Who and
St. Louis Blues.