Who proclaimed that the author of the play "The Twelve Months" was the founder of Russia's children's literature?
The Twelve Months (1956 film) The Twelve Months (Russian: Двенадцать месяцев ; "Dvenadtsat mesyatsev") is a 1956 Soviet traditionally animated feature film directed by the "patriarch of Russian animation", Ivan Ivanov-Vano. It was produced at the Soyuzmultfilm studio in Moscow and is based on the fairy-tale play of the same name by Samuil Marshak.
Yuri Krotkov Yuri Vasilevich Krotkov (Юрий Васильевич Кротков, 11 November 1917 - 26 December 1981) was a Russian dramatist. Working as a KGB agent, he defected to the West in 1963.