The popular science film “The Ivan Affair” recounts the creation of the world's first primatology center in Abkhazia. It also discusses the reasons for the creation of this breeding center. It also explores how, based on the work of Academician Mechnikov, medical researchers around the world came to the conclusion that medicine, as a science, could not progress without using monkeys as a model for humans. Finally, it lists the number of diseases from which humanity has been freed thanks to monkeys.