The article discusses the phenomenon of Russian Neo-Kantianism in the early twentieth century, looks at the main reasons for interest in Neo-Kantianism, and analyzes why German Neo-Kantian centers were so popular among Russian students and scholars at the turn of the twentieth century. The author points to the institutions where Neo-Kantianism took root and introduces the individuals who became the leaders of these institutions. The article gives a detailed overview of the themes and issues that occupied Russian Neo-Kantians before 1917, (...) as well as the development of these issues in the postrevolutionary period both in Soviet Russia and by Russian Neo-Kantians abroad. An emphasis is made on the original ideas and concepts formulated by Russian Neo-Kantians. (shrink)