Antal Doráti (9 April 1906, Budapest – 13 November 1988) was a Hungarian-born conductor and composer who became a naturalized American citizen in 1943.
Pierre Benjamin Monteux (4 April 1875, Paris – 1 July 1964) was a French (later American) conductor.
Igor Borisovitch Markevitch (July 27, 1912, Kiev – March 7, 1983) was an avant-garde Russian composer and eminent conductor who studied and worked in Paris and became a naturalized Italian and French citizen in 1947 and 1982 respectively.