One working day of physicist, academician of the USSR Academy of Sciences, Nobel Prize winner A.M. Prokhorov. A.M. Prokhorov is present at the start-up of an experimental setup in the laboratory of the P.N. Lebedev Physical Institute of the USSR Academy of Sciences. Discussion of the results of the installation with laboratory staff (synchronously). Laser installation in the laboratory. AM Prokhorov visits the cubic zirconia laboratory. Interview with A.M. Prokhorov in his office. Meeting on the problems of fiber-optic communication; among the speakers - A. Prokhorov (synchronously). AM Prokhorov talks with visitors in his office (synchronously), speaks at a meeting of the Academic Council, dedicated to the discussion of his doctoral dissertation (synchronously). The secretary parses the mail of AM Prokhorov. AM Prokhorov at a meeting of the Scientific and Editorial Council of the Great Soviet Encyclopedia. Walk A.M. Prokhorov in the park. Photos by A.M. Prokhorov for different years.