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