Papers and correspondence relating to Apollo 16 special samples, collected by Colin Pillinger Correspondence and papers relating to NASA's invitation to Priniciple Investigators with an interest in the interaction of the lunar surface and solar and galactic radiation to have a more direct imput into the planning of sample collection during Apollo 16, resulting in a conference for special samples held in Houston 2-3 September 1971. Includes handwritten notes taken at the conference. Handwritten list of Apollo 16 samples with original weights, material consumed and total returned, and cutting and chipping descriptions for samples 65015 and 61175. Correspondents: Dr Michael B Duke, NASA Colin Trevor Pillinger, University of Bristol Dr JW Chamberlain, NASA Patrick T Holland, University of California AL Burlingame, University of California Dr P Eberhardt, University of Berne Dr Friedrich Horz, NASA Dr Geoffrey Eglinton, Bristol University Sidney W Fox, University of Miami SK Runcorn, University of Newcastle Upon Tyne Scientists stating an interest in special samples: Dr James R. Arnold, University of California Dr Don Burnett, California Institute of Technology Dr George M. Comstock, General Electric Research and Development Center Dr P Eberhardt, University of Berne Dr Geoffrey Eglinton, University of Bristol Dr Noel W. Hinners, Bellcomm, Inc. Dr Charles Hohenberg, Washington University Dr Friedrich Horz, NASA Dr JC Huneke, California Institute of Technology Dr T Kirsten, Max-Planck Institute for Nuclear Physics Dr LA Rancitelli, Batelle Memorial Institute Professor Peter Signer, Swiss Federal Institute of Technology Dr H Wanke, Max-Planck Institute for Chemistry 19 July 1971 - 25 January 1974