The scientific works include primarily scientific and popular works concerning the significance of research on elementary particles, progress in study of elementary particles, and commemorations of colleagues and recollections. The biographical materials include autobiographical items written throughout 1958-1964, an autobiography (1964), communications regarding awards to Pontekorvo, and his election to full membership in the Soviet Academy of Sciences (1964), testimonials to his work by colleagues, articles, and photographs. Work-related documents include reports by Pontekorvo concerning scientific work performed during the period 1958-1961, correspondence concerning the Nobel Prize for P.L. Kapitsa in 1968, a letter to the Soviet Academy of Sciences concerning financial support for the operation of the Serpukhov elementary-particle accelerator (1969).