Mathematics teacher Ivan Lunev proposes a new method of teaching children. This innovation has yielded brilliant results. However, there are also those who oppose him...
Igor Ledogorov
Yelena Kozelkova
Georgiy Martynyuk
Antonina Dmitrieva
Boris Kudryavtsev
Liviya Shutova
Yuri Katin-Yartsev
Anna Kamenkova
