Title: Mendeleyev, Shostakovich, Blok
Subjects: Chemists, Composers, Biography, Russian Poets
Places: Soviet Union
People: Dmitriĭ Dmitrievich Shostakovich (1906-1975), Dmitry Ivanovich Mendeleyev (1834-1907), Aleksandr Aleksandrovich Blok (1880-1921)
Time periods: 20th century