Alexander Nikolayevich Tcherepnin was a Russian-born composer and pianist. Both his father, Nikolai Tcherepnin, and his sons, Serge Tcherepnin and Ivan Tcherepnin, as well as two of his grandsons, Sergei and Stefan, were composers. His son Serge was involved in the earliest development of electronic music and instruments. His mother was a member of the artistic Benois family, a niece of Alexandre Benois.