The conductor of the first performance of Symphony No. 7 was born in what year?
Symphony No. 7 (Bax):  The work received its first performance in Carnegie Hall, New York City, by the New York Philharmonic on 10 June 1939 under the baton of Sir Adrian Boult. Adrian Boult: Sir Adrian Cedric Boult, CH ( ; 8 April 1889 – 22 February 1983) was an English conductor.
1889