15. Can you name any famous people of Russia? Who are they? What are they famous for?

Alexander Pushkin was a great poet and writer. Leo Tolstoy was a famous novelist, known for War and Peace and Anna Karenina. Dmitri Mendeleev created the periodic table. Yuri Gagarin was the first human in space. Pyotr Tchaikovsky was a renowned composer. Ivan Pavlov was a physiologist and Nobel Prize winner.