Correspondence and administrative papers relating to Apollo 15 lunar sample consortia, collected by Colin Pillinger Correspondence and papers relating to the consortia for the analysis of lunar samples 15601, 12023 and 15015. In the case of 15015 this includes a list of sample numbers with weights and the laboratory holding the sample. The unique properties of the Apollo 12 samples are referenced in correspondence. Included is a list of consortium leaders. Correspondents: Patrick Butler Jr., NASA Dr Colin Trevor Pillinger, University of Bristol Dr Geoffrey Eglinton, University of Bristol Dr E.K. Gibson, NASA Dr M.B. Duke, NASA European consortium members for sample 15601: Dr Stuart O. Agrell, Cambridge University Dr Audouin Dollfus, Paris Observatory M. Maurette, French National Institute of Nuclear and Particle Physics Dr Ludolf Schultz, Swiss Federal Institute of Technology Dr Peter Signer, Swiss Federal Institute of Technology Dr Alan Stephenson, University of Newcastle-upon-Tyne G. Turner, University of Sheffield Dr Wanke, Mainz Consortium leaders: Dr G.J. Wasserburg, California Institute of Technology Dr L.T. Silver, California Institute of Technology Dr A.L. Albee, California Institute of Technology Dr J.B. Hartung, State University of New York Dr J.A. Wood, Smithsonian Institution Dr D. Nava, NASA Dr J. Geiss, University of Bern Dr A.L. Burlingame, University of California Dr Geoffrey Eglinton, University of Bristol Dr Dieter Heymann, Rice University Dr E.C.T. Chao, US Geological Survey Dr O.B. James, US Geological Survey Dr E. Roedder, US Geological Survey Dr N.J. Hubbard, NASA Dr L.A. Haskin, NASA Dr W.C. Phinney, NASA Dr Klaus Keil, University of New Mexico 12 May 1972 - 29 July 1977