Fyodor Dostoyevsky, in full Fyodor Mikhaylovich Dostoyevsky, Dostoyevsky also spelled Dostoevsky, (born November 11 [October 30, Old Style], 1821, Moscow, Russiadied February 9 [January 28, Old Style], 1881, St. Petersburg), Russian novelist and short-story writer whose psychological penetration into the darkest recesses of the human heart, together with his unsurpassed moments of illumination, had an immense influence on 20th-century fiction.