The publication is based on an interview with Nikolai Ivanovich Ryzhkov, the most outstanding living graduate of our university (UPI-UII-USTU-UrFU). it is preceded by a short introduction by Professor V.V. Zapariya about the background of this meeting. And a description of the previous meeting with Ryzhkov at the official celebration in honor of his 90th birthday two years ago. The text is given without changes, in some cases explanations are given.