Ivan Kireyevsky, Russian philosopher and critic (b. 1806)

Ivan Vasilyevich Kireyevsky (Russian: Ива́н Васи́льевич Кире́евский; 3 April 1806, Moscow – 23 June 1856, Saint Petersburg) was a Russian literary critic and philosopher who, together with Aleksey Khomyakov, is credited as a co-founder of the Slavophile movement.