Nickolai Dmitriyevich Kashkin (1839-1920).
Nickolai Dmitriyevich Kashkin (1839-1920), music critic, historian and theorist of music. Professor of theory, history of music, piano (1866-1894).
Nickolai Dmitriyevich Kashkin (1839-1920), music critic, historian and theorist of music. Professor of theory, history of music, piano (1866-1894).