The plot of the film is dedicated to the academician, the greatest mathematician of our time, A.N. Kolmogorov. The film uses the following filming: 1 part. A.N. Kolmogorov tells (off-screen) about his life, about the choice of a profession; General view of the house in the village of Komarovka on the banks of the Klyazma River, where two mathematicians A.N. Kolmogorov and P.S. Aleksandrov live; view from the window to the courtyard in the snow; geese walk in the snow in the yard; A.N. Kolmogorov's students visiting the teacher, talking in the office, looking at photographs; the interiors of the study and other rooms in the scientist's house; one of A.N. Kolmogorov's students tells (behind the scenes) about the friendship between two scientists, which arose in the summer of 1929; a seagull flies over Lake Sevan; general view of the ancient temple of the Holy Apostles (IX century) and other temples on the territory of the Sevanavank monastery on the Sevan peninsula; views of Lake Sevan, a fire on the shore of the lake, mountain landscapes of Armenia; A.N. Kolmogorov's students: Professor V.M. Zolotarev, Professor Tikhomirov, Professor Uspensky, Professor Arnold talk about their teacher (sinhr.); Academician A.N. Kolmogorov in the audience, among his students, answers the questions of one of the authors of the film (per frame.). Part 2. The interiors of the rooms in the house of A.N. Kolmogorov in Komarovka, the view of the table in the scientist's office, littered with papers; students of Academician A.N. Kolmogorov, who arrived in Komarovka, greet their teacher, sit in the office, talk; the view of paintings and bas-reliefs with antique subjects on the walls of the rooms; geese walk in the snow in the yard of the house; AN Kolmogorov in the audience, writes mathematical formulas on a blackboard with chalk, sits at a table, leafs through a notebook; A. N. Kolmogorov's students: Professor Tikhomirov and Corresponding Member of the USSR Academy of Sciences Monin talk (sinhr.) about their teacher; photographs from the Kolmogorov family archive, behind the scenes there is a story about the scientist's childhood and youth, about his friendship with P.S. Aleksandrov, about his scientific activities; mountain landscapes of Armenia, a panorama along a mountain river, along an ancient temple on the shore of Lake Sevan.