Lyapunov [Lipunóff] (Liapounow, Liapunov), Sergey Mikhailovich (11–18/30–1859, Yaroslavl; 11–8–1924, Paris). Pianist, cond., and comp. The son of a school director, Lyapunov graduated from the gymnasium in Nizhniy-Novgorod before moving to M. In 1878, on the advice of N. Rubinshtein , he enrolled at the M. Cons. and studied piano with Klindworth, P. Pabst , and Vil'borg and composition with P. Chaikovsky and S. I. Taneyev. After graduating in 1883, he moved to P., where for several years he…