Pianist and professor at the Moscow Conservatory (b. 1853; d. June 1915 in Gurzuf), born Anatoly Ivanovich Galli (Анатолий Иванович Галли).
In 1893, Tchaikovsky dedicated Danse caractéristique — No. 4 of Eighteen Pieces, Op. 72, for piano — "à Mr. Anatol Galli".
Correspondence with Tchaikovsky
One letter from Tchaikovsky to Anatoly Galli has survived, dating from 1885, and has been translated into English on this website: