Replication of DNA in Micro-organisms

ADLER, JULIUS, Department of Biochemistry, University of Wisconsin, Madison 6, Wisconsin ALLFREY, VINCENT G., The Rockefeller Institute, New York 21, N.Y AMATI, PAOLO, Harvard University, Cambridge, Massachusetts AMES, BRUCE, National Institute of Arthritis and Metabolic Diseases, National Institutes of Health, Bethesda 14, Maryland ANDREEVA, N. S., Laboratory of Physics of Bio logical Polymers, Institute of Biophysics, Academy of Science, Moscow, U.S.S.R. APOSHIAN, H. V., Tufts University School of Medicine, Department of Microbiology, Boston 11, Massachusetts ATTARDI, GIUSEPPE, Division of Biology, California Institute of Technology, Pasadena, California AUGUST, J. T., Department of Microbiology, New York University School of Medicine, New York 16, N.Y. BACON, DONALD F., Institute of Microbiology, Rutgers University, New Brunswick, New Jersey BALDWIN, ROBERT L. , Department of Biochemistry Stanford University, Stanford, California BALTIMORE, DAVID, The Rockefeller Institute, New York 21, N.Y. BAUERLE, RONALD, Long Island Biological Association, Cold Spring Harbor, New York BAUTZ, EKKEHARD, Department of Microbiology, Rutgers University, New Brunswick, New Jersey BECKMANN, CHARLES O., Department of Chemistry, Columbia University, New York 27, N.Y. ROGER-BECKMANN, MURIEL, The Rockefeller Institute, New York 21, N.Y. BENACERRAF, B., Department of Pathology, New York University School of Medicine, New York 16, N.Y. BENNETT, PETER, The Rockefeller Institute, New York 21, N.Y. BENZER, SEYMOUR, Department of Sciences, Purdue University, Indiana BERG, PAUL, Department of Biochemistry, Stanford University Medical Center, Palo Alto, California BERGMAN, FRED, National Institutes of Health, Heart Institute, Bethesda, Maryland BLUME, DORIS, Long Island Biological Association, Cold Spring Harbor, New York BOLLUM, F. J., Biology Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee Biological Lafayette, BOLTON, ELLIS T., Department of Terrestrial Magnetism, Carnegie Institution of Washing- ton, Washington 15, D.C. BOREK, ERNEST, Columbia University College of Physicians and Surgeons, Department of Biochemistry, New York 32, N.Y. BORSOOK, HENRY, Department of Biochemistry , California Institute of Technology, Pasadena, California BORSTEL, R. C., VON, Department of Biology, Oak Ridge National Laboratory, Oak Ridge, Tennessee BOSCH, LEENDERT, Biochemistry Department, University of Leyden, Leyden, Holland BUCHANAN, JENNY , Carnegie Institution of Washington, Cold Spring Harbor, New York BUCHANAN, JOHN M., Division of Biochemistry, Massachusetts Institute of Technology Cambridge 39, Massachusetts BURGI, ELIZABETH, Carnegie Washington, Cold Spring York BURNS, RICHARD, Long Island Biological Association, Cold Spring Harbor, New York BURTON, KENNETH, Department of Biochemistry, University of Oxford, South Parks Road, Oxford, England BUTLER, J. A. V., Chester Beatty Research Institute, Institute of Cancer Research, London S.W.3, England BYRNE, WILLIAM L., Duke University, Durham, North Carolina CAIRNS, JOHN, The Biological Laboratory, Long Island Biological Association, Cold Spring Harbor, New York CALVIN, MELVIN, Donner Laboratory, University of California, Berkeley 4, Calif.. CALVO, JOSEPH, Long Island Biological Association, Cold Spring Harbor, New York CANTONI, G. L., Laboratory of Cellular Pharmacology, National Institute of Mental Health, National Institutes of Health, Bethesda 14, Maryland CARHART, ANNE K., Carnegie Institution of Washington, Cold Spring Harbor, New York CHAMBERLIN, M., Department of Biochemistry, Stanford University Medical Center, Palo Alto, California CHAMPE, SEWELL P., Department of Biological Sciences, Purdue University, Lafayette, Indiana CHANDLER, BARBARA, Zoology Department, University of Wisconsin, Madison, Wis. CHANGEUX, JEAN-PIERRE, Service de Biochimie Cellulaire, Institut Pasteur, Paris 15e, France CHOVNICK, ARTHUR, Institute of Cellular Biology, The University of Connecticut, Storrs, connecticut CLARK, ALVIN J., Department of Bacteriology, University of California, Berkeley 4, California CLOWES, ROYSTON C., M. R. C., Microbial Genetics Research Unit, Hammersmith Hospital, London W12, England COKEN, J. T., Medical Biological Laboratory RVOTNO, Rijswijk (Z.H.), The Netherlands COOPER, Stephens, The Rockefeller Institute, New York 21, N.Y. CONWAY, THOMAS, The Rockefeller Institute, New York 21, N.Y. CRAVEN, GARY R., Department of Biological Chemistry, Harvard University Medical School, Boston 15, Massachusetts CRICK, F. H. C., M. R. C. Laboratory of Molecular Biology, University Postgraduate Medical School, Cambridge, England CUKIER, REGINE, National Institutes of Health, Bethesda, Maryland DARNELL, JAMES E., Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts DAVIES, JULIAN, Department of Bacteriology & Immunology, Harvard Medical School, Boston 15, Massachusetts DANEK, JOHN, New Hyde Park, New York DAVIS, BERNARD D., Department of Bacteriology & Immunology, Harvard Medical School, Boston 15, Massachusetts DAVIS, BRIAN K., Department of Chemistry, Harvard University, Cambridge 38, Massachusetts DAVISON, PETER F., Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts DEMEREC,MILISLA, Department of Biology, Brookhaven National Laboratory, Upton, New York DIGIROLAMO, MARIO, Mrs. International Laboratory of Genetics and Biophysics, Naples, Italy DIGIROLAMO, MARIO, Mrs. c/o Dr. M. DiGirolamo, International Laboratory of Genetics and Biophysics, Naples, DINTZIS, HOWARD, Department of Biology, John Hopkins University, Baltimore, Maryland DIRKSEN, M. L., Massachusetts Institute of Technology, Cambridge 39, Mass DUBERT, J. M., Institut Pasteur, Paris, France EAGLE, HARRY, Department of Cell Biology, Albert Einstein College of Medicine, New York 61, N.Y. EDELMAN, GERALD M., The Rockefeller Institute, New York 21, N.Y. EDINGTON, C. W., Division of Biology and Medicine, U. S. Atomic Energy Commission, Washington 25, D.C. EGAMI, FUJIO, Department of Biophysics and Biochemistry, Faculty of Science, University of Tokyo, Hongo, Tokyo, Japan EHRENSTEIN, GUNTER VON., Department of Biophysics, John Hopkins University School of Medicine, Baltimore 5, Maryland EIGNER, JOSEPH, Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan EMMONS, SUSAN, Long Island Biological Association, Cold Spring Harbor, New York ENGLESBERG, ELLIS, Department of Biological Sciences, University of Pittsburgh, Pittsburgh 13, Pennsylvania ENGSTROM, ARNE, Karolinska Institutet, Stockholm 60, Sweden EPSTEIN, C. J. , National Institutes of Health, Laboratory of Biochemistry, Section on Cellular Physiology, Bethesda 14, Maryland EPSTEIN, R. H., Laboratoire de Biophysique, UniversitŽ de Gen�ve, Gen�ve , Switzerland FIERS, W ALTER, Laboratory of Physiological Chemistry, University of Ghent, Ghent, Belgium FINCHAM, JOHN R. S., John Innes Institute, Bayfordbury, Hertford, Herts., England FISHER, K. W., Princeton University, Princeton, N.J. FITZGERALD, P. J., Pathology Department, State University of New York College of Medicine, Albany, New York FOSTER, M. A., Microbiology Unit, Department of Biochemistry, University of Oxford, Oxford, England FRANKEL, FRED, Carnegie Institution of Washington, Cold Spring Harbor, N.Y. FRANKLIN, NAOMI, Massachusetts Institute of Technology, Cambridge 39, Mass. FREESE, ERNST, Laboratory of Molecular Biology, National Institutes of Health, Bethesda 14, Maryland FREESE, ELIZABETH BAUTZ- Laboratory of Molecular Biology, National Institutes of Health, Bethesda 14, Maryland FRESCO, JACQUES R., Department of Chemistry, Princeton University, Princeton, New Jersey FREUNDLICH, M., Long Island Biological Association, Cold Spring Harbor, N.Y. FRIEDEN, CARL, Dept. of Biological Chemistry, Washington University School of Medicine, St. Louis, Missouri FRISCH, LEONORA, Long Island Biological Association, Cold Spring Harbor, New York FROMAGEOT, PIERRE, Service de Biochimie, Dept. de Biologie, Commissariat a l'Energi Atomique, B.P. 2, Gif-sur-Yvette (S. et 0.) France FRONTALI, LAURA, Istituto di Filiologia Generale, Universita Roma, Roma, Italia FUKASAWA, T., Institute for Protein Research, Osaka Univ., Osaka, Japan GAMOW, GEORGE, Dept. of Physics and Astrophysics, University of Colorado, Boulder, Colorado GARDNER, ROBERT S., Biochemistry Department, NYU School of Medicine, 550 First Avenue, New York, N.Y. GAREN, ALAN, Division of Biology, University of Pennsylvania, Philadelphia 4, Pennsylvania GAREN, SUE, Division of Biology, University of Pennsylvania, Philadelphia 4, Pennsylvania GARSTENS, M. A., Physics Branch, Office of Naval Research, Department of the Navy, Washington 25, D.C. GERHART, JOHN C., Virus Laboratory, University of California, Berkeley 4, California GEST, HOWARD, Henry Shaw School of Botany, Washington University, St. Louis, Missouri GESTELAND, RAYMOND F ., Biological Laboratories, Harvard University, Cambridge 38, Massachusetts GILBERT, WALTER, Biological Laboratories, Harvard University, Cambridge 38, Massachusetts GILES, NORMAN H., Department of Biology, J. W. Gibbs Research Laboratory, Yale University, New Haven, Conn. GILVARG, CHARLES, Department of Biochemistry, New York University School of Medicine, New York 16, New York GODSON, a. N., Chester Beatty Research Institute, Pollards Woods Research Station, Chalfont, St. Giles, Buckinghamshire, England GOLD, MARVIN, Department of Microbiology, New York University School of Medicine, New York 16, New York GOLDBERG, EDWARD, Carnegie Institution of Washington, Cold Spring Harbor, New York GOLDBERGER, ROBERT F., Cellular Physiology Section, National Heart Institute, Bethesda 14, Maryland GONANO, FABIO, Johns Hopkins School of Medicine, Baltimore, Maryland GOODGAL, SOL, Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia 4, Pennsylvania GORINI, LUIGI, Harvard Medical School, Boston 15, Massachusetts GORINI, ANNAMARIA TORRIANI-, Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts GOTS, JOSEPH S., Department of Microbiology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania GREENBERG, a. ROBERT, Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan GROS, FRANCOIS, Institut de Biologie PhysicoChimique, Paris 5e, France GROSS, SAMSON R., Dept. of Bacteriology, Duke University School of Medicine, Durham, North Carolina GRUBER, MAX, The University, Biochemisch Laboratorium, Groningen, Netherlands GUNSALUS, I. C., Department of Chemistry & Chemical Engineering, Division of Biochemistry, University of Illinois, Urbana, Illinois GUTTMAN, BURTON, University of Oregon, Eugene, Oregon HABERMANN, VLASTIMIL, Institute for Medical Chemistry, Charles University, Plzen, Czechoslovakia HALL, BENJAMIN D., Department of Chemistry, University of Illinois, Urbana, Illinois HARTMAN, PHILIP E., Department of Biology ,Johns Hopkins University, Baltimore 18, Maryland HASELKORN, ROBERT, Committee on Biophysics, The University of Chicago, Chicago 37, Illinois HAYASHI, MASAKI, Department of Microbiology, University of Illinois, Urbana, Illinois HEDEGAARD, JENS, College de France, Biochimie Generale et Comparee, Paris 17e, France HERMANN, INGER, National Academy of Science, Washington D.C. HERSHEY, A. D. , Carnegie Institution of Washington, Cold Spring Harbor, N.Y. HERSHEY, H. D., Long Island Biological Association, Cold Spring Harbor, New York HIATT, HOWARD, Harvard Medical School and Beth Israel Hospital, Boston 15, Massachusetts HINEGARDNER, RALPH, University of California, Berkeley, California. After July 1st-Columbia University, New York, N.Y. HOAGLAND, MAHLON B., Department of Bacteriology & Immunology, Harvard Medical School, Boston 15, Massachusetts HOFSCHNEIDER, P. H., Max-Planck-Institute fur Biochemie, Goethestr. 31, Munich, Germany HOLLEY, ROBERT W ., Plant, Soil & Nutrition Laboratory, U. S. Department of Agriculture, Cornell Univ., Ithaca, New York HOLLOWAY, BRUCE, Department of Bacteriology, University of Melbourne, Melbourne, Australia HOTCHKISS, ROLLIN D., Rockefeller Institute, New York 21, New York HURWITZ, JERARD, Dept. of Microbiology, New York University School of Medicine, New York 16, New York IHLER, GARRETT M., Biological Laboratories, Harvard University, Cambridge 38, Massachusetts INGRAHAM, LAURA, Carnegie Institution of Washington, Cold Spring Harbor, N .Y . INGRAM, V. M., Division of Biochemistry, Massachusetts Institute of Technology, Cambridge 39, Massachusetts JACOB, FRANCOIS, Institut Pasteur, Paris 15e, France JEHLE, HERBERT, George Washington University, Washington, D.C. JOHNS, H. E., Department of Medical Biophysics, University of Toronto, Toronto 5, Canada JUKES, P. H., American Cyanamid Company, Princeton, New Jersey KALCKAR, HERMANN, Mass. General Hospital & Harvard Medical School, Boston, Mass. KAZIRO, YOSHITO, Department of Biochemistry, New York University School of Medicine, New York, N.Y. KELLER, ELIZABETH D., U.S. Nutrition Laboratory and Department of Biochemistry, Cornell University, Ithaca, New York KEPES, ADAM, Service de Biochimie Cellulaire, Institut Pasteur, Paris 15e, France KHORANA, H. GOBIND, Institute for Enzyme Research, The University of Wisconsin, Madison 6, Wisconsin KIT, SAUL, Division of Biochemical Virology, Baylor University College of Medicine, Texas Medical Center, Houston, Texas KJELDGAARD, N. 0., University Institute of Microbiology, Copenhagen K, Denmark KLENOW, HANS, Biokemisk Afdeling, Fibiger Laboratoriet, Copenhagen, Denmark KONINGSBERGER, VICTOR V., State University of Utrecht, van't Hoff Laboratorium, Utrecht, The Netherlands KOSHLAND, D. E. JR., Department of Biology, Brookhaven National Laboratory, Upton, New York KREAM, J., Department of Biochemistry, Hospital for Joint Diseases, New York 35, New York KRUG, ROBERT, Rockefeller Institute for Medical Research, New York 21, New York KUEHNERT, Dept. of Biology, University of Saskatchewan, Canada LANGELAND, TOR, Dept. Biophysics, J. W. Gibbs Research Labs., Yale University, New Haven, Connecticut LEDINKO, NADA, Carnegie Institution of Washington, Cold Spring Harbor, N.Y. LENGYEL, PETER, Department of Biochemistry, New York University School of Medicine, New York 16, New York LEDERBERG, SEYMOUR, Brown University, Providence 12, Rhode Island LEVINTHAL, CYRUS, Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts LEVINTHAL, FRANCOISE, Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts LEWIS, HERMAN W., Genetics Biology Program, National Science Foundation, Washington 25, D.C. LIEB, MARGARET, Department of Medical Microbiology, University of Southern California, Los Angeles, California LITTAUER, URIEL, C/O Biological Laboratories, Harvard University, Cambridge 38, Massachusetts LUBORSKY, SAM, National Institute Mental Health, National Institutes of Health, Bethesda 14, Maryland LURIA, S. E., Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts LYMAN, Dept. of Physics, University of Illinois, Urbana, Illinois MAAL¯E, OLE, University Institute of Microbiology, Copenhagen, Denmark MACH, BERNARD, The Rockefeller Institute for Medical Research, New York 21, New York MAGASANIK, BORIS, Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts MARGOLIN, PAUL, Long Island Biological Associat'ion, Cold Spring Harbor, N.Y MARKS, PAUL A., Department of Medicine, Columbia University College of Physicians & Surgeons, New York 32, New York MARMUR, JULIUS, Department of Biochemistry, Brandeis University, Waltham" Massachusetts MARTIN, ROBERT G., National Institute of Arthritis & Metabolic Diseases, National Institutes of Health, Bethesda 14, Maryland MCCLINTOCK, BARBARA, Carnegie Institution of Washington, Cold Spring Harbor, N.Y. McDoNALD, MARGARET, Carnegie Institution of Washington, Cold Spring Harbor, N.Y. MEISS, H., Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts MENNINGER, JOHN, The Biological Laboratories, Harvard University, Cambridge 38, Massachusetts MILLER, B., Long Island Biological Association, Cold Spring Harbor, New York MIURA, KIN-ICHIRO, Institute of Molecular Biology, Faculty of Science, Nagoya University, Nagoya, Japan MORA, PETER T., National Cancer Institute, National Institutes of Health, Bethesda 14, Maryland MOSIG, GISELA, Department of Genetics, Carnegie Institution of Washington, Cold Spring Harbor , New York MUELLER-HILL, Indiana University, Bloomington, Indiana MUIRHEAD, HILARY, MRC Lab. of Molecular Biology, University Postgraduate Medical School, Hills Road, Cambridge, England MUKAI, FRANK, Long Island Biological Association, Cold Spring Harbor, N.Y. MUNDRY, K. W., Max-Planck-Institut fur Biologie, 74 TŸbingen, Germany NAGATA, T., Biological Laboratories, Harvard University, Cam bridge, Massachussetts NAKAMOTO, TOKUMASA, The Rockefeller Institute for Medical Research, New York 21, New York NATHANS, DANIEL, Johns Hopkins University School of Medicine, Baltimore 5, Maryland NAZARIO, MAHAFUD, Department of Biology, Facultad Ciencias, Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina NIRENBERG, MARSHALL W., National Institute of Arthritis, National Institutes of Health, Bethesda 14, Maryland NOMURA, MASAYASU, Institute for Protein Research, Osaka University, 36, J oancho Kita-ku, Osaka, Japan NOTANI, N. K., Biology Division, Atomic Energy Est. Trombay, Byculla, Bombay 8, India NOTANI, G. W., Genetics Department, Rockefeller Institute, New York 21, N.Y. NOVOGRODSKY, ABRAHAM, Department of Bio chemistry, Tufts University School of Medi cine, Boston, Massachusetts NOVICK, AARON, c/o Dr. F. Jacob, Institut Pasteur, Paris 15e, France (Permanent address: Univ. of Oregon, Eugene, Oregon) NYGAARD, AGNAR P., c/o Department of Microbiology, University of Illinois, Urbana, Illinois OKUN, LARRY, Department of Genetics, Stanford University Medical Center, Palo Alto, California OTSUJI, NOZOMU, Biology Department, University of Pennsylvania, Philadelphia, Pennsylvania PAIGEN, KENNETH, Department of Experimental Biology, Roswell Park Memorial Institute, Buffalo, New York PARDEE, ARTHUR B., Biology Department, Princeton University, Princeton, N.J. PATTE, JEAN-CLAUDE, C.N.R.S. Laboratoire d'Enzymologie, Gif-sur- Yvette, (S. et O.) France PENMAN, SHELDON, Biology Department, Massachusetts Institute of Technology, Cambridge 39, Massachusetts PERKINS, Biology Department, Stanford University, Stanford, California PERRIN, DAVID R., Institut Pasteur, Paris 15e, France PHILIPS, JOHN , Long Island Biological Association, Cold Spring Harbor, N .Y . POLJAK, R. J., Johns Hopkins University School of Medicine, Baltimore, Md. PONTECORVO, G., Department of Genetics, The University, Glasgow, Scotland POUYET, JEAN, Service de Biologie, Centre de Recherches sur les Macromolecule, Strasbourg (Bas Rhin) France PRITCHARD, ROBERT, M.R.C. Unit-Microbial Genetics, London, England PTASHNE, MARK, The Biological Laboratories, Harvard University, Cambridge 38, Massachusetts REICHARD, PETER, Department of Medical chemistry, Uppsala University, Uppsala, Sweden REISSIG, JOSE LUIS, Department of Biology, Facultad Ciencias Exactas y Naturales, University of Buenos Aires, Buenos Aires, Argentina REVEL, HELEN, Massachusetts Institute of Technology, Cambridge 39, Mass. RICH, ALEXANDER, Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts RICHARDSON, CHARLES C., Department of Biochemistry, Stanford University, Palo Alto, California RILEY, MONICA, Dept. of Bacteriology, University of California at Davis, Davis, Calif. RIS, HANS, Department of Zoology, The University of Wisconsin, Madison 6, Wis. ROIZMANN, BERNARD, Johns Hopkins Medical School, Baltimore, Maryland ROSENBERG, M., Dept. of Biology, State University, Stony Brook, New York ROTHMAN, FRANK, Biology Department, Brown University, Providence, R.I. RUFFILLI, ANNA, The Biological Laboratories, Harvard University, Cambridge 38, Massachusetts RYAN , FRANCIS J. , Department of Zoology, Columbia University, New York, N.Y. SAGER, RUTH, Department of Zoology, Columbia University, New York, N.Y. SCARANO, EDUARDO, International Laboratory of Genetics and Biophysics, Department of Biochemistry, Naples, Italy SCHACHMAN, HOWARD K., Virus Laboratory, University of California, Berkeley 4, California SCHLESINGER, MILTON J., Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts SCHLESINGER, SONDRA, Department of Biology, Massachusetts Institute of Technology, Cambridge 39, Massachusetts SCHWEET, RICHARD S., Department of Biochemistry, University of Kentucky College of Medicine, Lexington, Kentucky SEKIGUCHI, MUTSUO, c/o Department of Biochemistry, University of Pennsylvania School of Medicine, Philadelphia 4, Pennsylvania SHOOTER, K. V., Chester Beatty Research Institute, London, England SIMINOVITCH, LOUIS, Division of Biological Research, Ontario Cancer Institute, Toronto 5, Canada SIU, PATRICK, Long Island Biological Association, Cold Spring Harbor, N Y SMELLIE, R. M. S., Department of Biochemistry, The University, Glasgow, Scotland SMIRNOFF, VICTOR, Botany Dept., Indiana University, Bloomington, Indiana SOLOMON, ARTHUR K., Department of Biophysics, Harvard Medical School, Boston 15, Massachusetts SOULES, JACK, Dept. of Physics, New Mexico State Univ., Alberquerque, N.M. SPENCER, MICHAEL, MRC Biophysics Unit, Kings College, Strand, London WC2, England SPEYER, JOSEPH S., Department of Biochemistry, New York University School of Medicine, New York 16, N.Y. SPIEGELMAN, S., Department of Microbiology, University of Illinois, Urbana, Illinois SPIRIN, ALEXANDER S., A. N. Bakh Institute of Biochemistry, Academy of Sciences of U.S.S.R., Moscow, U.S.S.R. SPYRIDES, GEORGE J., The Rockefeller Institute for Medical Research, New York 21, New York STAEHELIN, MATTHIAS, Department of Biochemistry & Ciba Research Laboratories, University of Basle, Basle, Switzerland STARLINGER, PETER, Institut fŸr Genetik, Universitat zu Kšln, Kšln-Lindenthal, Germany STENT, GUNTHER S., Virus Laboratory, University of California, Berkeley 4, California STOECKENIUS, W ALTHER, Rockefeller Institute for Medical Research, New York 21, New York ST…RMER, F., Long Island Biological Association, Cold Spring Harbor, N.Y. STOLLAR, B. DAVID, Biological Sciences Division, Air Force Office of Scientific Research, Washington 25, D.C. STULBERG, MELVIN P., Division of Biology and Medicine, U.S. Atomic Energy Commission, Washington 25, D.C. SUEOKA, NOBORU, Department of Biology, P.O. Box 704, Princeton University, Princeton, New Jersey SUSSMAN, MAURICE, Department of Biology, Brande is University, Waltham 54, Massachusetts SUSSMAN, RACQUEL ROTMAN, Department of Biology, Brandeis University, Waltham 54, Massachusetts SZILARD, LEO, Hotel Dupont Plaza, Dupont Circle & New Hampshire Avenue, N.W. Washington 6, D.C. SZILARD, Mrs. LEO, c/o Dr. Leo Szilard, Hotel Dupont Plaza, Dupont Circle & New Hampshire Avenue, N.W., Washington 6, D.C. SZYBALSKI, WACLAW, McArdle Memorial Laboratory, University of Wisconsin Medical School, Madison 6, Wisconsin TAYLOR, AUSTIN L., Laboratory for Molecular Biology, National Institutes of Health, NINDB Auburn Building, Bethesda 14, Maryland TENER, GORDON M., Department of Biochemistry, University of British Columbia, Vancouver 8, B.C., Canada THOMAS, CHARLES A., JR., Department of Biophysics, Johns Hopkins University, Baltimore 18, Maryland THOMAS, RENE, Laboratoire de Genetique, Universite de Bruxelles, Bruxelles 16, Belgium TISSIERES, ALFRED, MRC Laboratory of Molecular Biology, University Postgraduate Medical School, Cambridge, England TOCCHINI- V ALENTINI, GLAUCO, University of Chicago and International Laboratory of Genetics and Biophysics, Naples, Italy TOMKINS, GORDON M., National Institute of Arthritis & Metabolic Diseases, National Institutes of Health, Bethesda 14, Maryland UMBARGER, H. E., Long Island Biological Association, Cold Spring Harbor, N.Y. UMBARGER, MERLE, Long Island Biological Association, Cold Spring Harbor, N.Y. VELICK, SIDNEY F., Washington University School of Medicine, St. Louis 10, Missouri VOGEL, HENRY J., Institute of Microbiology, Rutgers State University, New Brunswick, New Jersey WAHBA, A. J., Department of Biochemistry, New York University School of Medicine, New York 16, New York WALKER, PETER M. B., Department of Zoology, University of Edinburgh, Edinburgh, Scotland WARNER, JONATHAN, Dept. of Biology, Mass. Institute of Technology, Cambridge, Mass. W ATANABE, ITARU, Institute for Virus Research, Kyoto University, Kyoto, Japan WATSON, JAMES D., Department of Biology, Harvard University, Cambridge, Mass. WEINSTEIN, I. B., Dept. of Medicine, Columbia Univ. College of Physicans & Surgeons, New York 32, N.Y. WEISBLUM, BERNARD, Purdue University, Lafayette, Indiana WEISSMAN, CHARLES, Department of Biochemistry, New York University School of Medicine, New York 16, New York WILLIAMS, ROBLEY C., Virus Laboratory, University of California, Berkeley 4, California WIMBERT, JANET, Long Island Biological Association, Cold Spring Harbor, New York WITKIN, EVELYN M., State University of New York, Downstate Medical Center, Brooklyn 3, New York WITTMANN, H. G., Max-Planck-Institut fŸr Biologie, Tubingen, Germany WOOD, WILLIAM B., Department of Biochemistry, Stanford University, Palo Alto, California Wu, HENRY CHI-PING, Biochemical Research Lab. Massachusetts General Hospital, Boston 14, Massachusetts WYMAN, JEFFRIES, Istituto Regina Elena, Div. Scientifico, Roma, Italia YAMANE, T., Department of Biology, Princeton University, Princeton, New Jersey YANOFSKY , CHARLES, Department of Biological Sciences, Stanford University, Stanford California YOSHIKA w A, HIROSHI, Department of Biology, Princeton University, Princeton, New Jersey ZABIN, IRVING, Department of Physiological Chemistry, University of California School of Medicine, Los Angeles 24, California ZAMECNIK, PAUL C., Massachusetts General Hospital, Boston 14, Massachusetts ZILLIG, W., Max-Planck-Institut fŸr Biochemistry, MŸnchen 15, Germany ZINDER, NORTON, Rockefeller Institute for Medical Research, N.Y. 21, N.Y. ZIPSER, DAVID, Biological Laboratories, Harvard Univ., Cambridge 38, Mass.