ข้อมูลทรัพยากร

เนื้อหาย่อ : Acknowledgments Director Thomas E. Navta / Production Director LaVergne G. Niequist / Art Director Glori Photo Researcher William A. Cassin / Staft Editors Sally Wilmot Brown, D. Darragh Smithers / Production Supervisors Donna E. Delaine, Marilyn Scheda / Production Associate Judith E. Cihock / Artists Patty Boyd, Paul Hazelrigg, Donald Meighan, Larry Mikec / Cover Design Donald Meighan he publishers wish to express their appreciation to the following so permission to reproduce the photographs on the pages indicated. alfa studio: 53 (both),133 (both), 140, 141 (both), 142, 143, 145 (both), 156 (both),157. Artstreet: 168 (both). Artstreet/Robert W. Mundstock, 11 (bottom). Artstreet/ A. C. Twomey, 30. Robert Boria:164 (both), 165, 167, 176, 177 (both), 186, 187 (both). California Institute of Technology and Carnegie Institution of Washington, 155 (top). Robert Davis: 18 (bottom ), 90 (top), 91. Dr. E. R. Degginger: 15 (bottom ), 19 (left and top right), 61 (bottom left), 70 (bottom), 74(right),86 (bottom),98(both),99 (both),109 (both), 118 (right), 123 (both), 154 (top). De Wys, Ine, 150 ( right).De Wys, Inc./R. Schnackenberg, 25 (left).