Gregor Piatigorsky
Ukraine-born American cellist
Gregor Piatigorsky (Russian: Григорий Павлович Пятигорский, romanized: Grigory Pavlovich Pyatigorsky; April 17 [O.S. April 4] 1903 – August 6, 1976) was a Ukrainian-born Russian and American cellist.
Read more about this composer on Wikipedia.