Real name: Борис Михайлович Ледковский

Born: October 8 (September 26 O.S.), 1895, Agrafenovka, Don Host Oblast (now Rostov Oblast), Russian Empire
Died: August 7, 1975, New York, United States

Composer, arranger and choir director of both religious and traditionnal russian music. Spent most of his life in emigration, after leaving in 1920 with Wrangel's army.
Founded and directed various choirs in Europe (France and Germany) prior to 1948. Then went on to the USA where he was appointed choir director of the Synod Cathedral's Choir.