Interview with the director of the Institute, Professor GK Sulakvelidze in the office at the High Mountain Geophysical Institute (synchronously). Professor GK Sulakvelidze, accompanied by an employee of the anti-hail station, examines anti-hail guns and shells. Scientists - USSR State Prize winners VF Lanchev (at the instruments) work in the laboratory of the High Mountain Geophysical Institute; N. Sh. Bibilashvili (for drawings and diagrams) and others.