The crossword solution for the term 'Dostoyevsky Subject' is 'IDIOT'. Fyodor Dostoyevsky was a Russian novelist, short story writer, essayist, and philosopher whose works explored human psychology in the troubled political, social, and spiritual atmosphere of 19th-century Russia. His most famous novel, The IDIOT, follows the spiritual journey of Prince Myshkin, a saintly figure who is caught between the materialistic world of St. Petersburg and the spirituality of a monastery.