Correspondence Contains letters between Penrose and the following correspondents about his film "Automatic Mechanical Self-Replication": Caspari, E W, Chairman, Program Committee, Tenth International Congress of Genetics, regarding his film; Institute of Contemporary Arts (2), November 1961; Maier, John, Rockefeller Foundation (3), February 1958, regarding Penrose's request to charge the cost of the film to the Rockefeller Grant; Mirsky, Alfred E, Rockefeller Institute for Medical Research (2), September - October 1958, regarding Mirsky's request for a copy of the film; Wilkinson, C J Jr., New York University Postgraduate Medical School, September 1958, requesting a copy of the film for his students. 1958-1961