LAWRENCE G. DESMOND has had a life long love of the outdoors. He's hiked the mountains of California, Colorado, Mexico, Nepal, and Switzerland, and bagged a few peaks. His many years as an archaeologist has kept him outdoors a lot of the time, and climbing up and down the ancient Maya and Aztec pyramids in Mexico. He taught for many years and is currently associated with the Moses Mesoamereican Archive and Research Project at Harvard University, and the Department of Anthropology at the California Academy of Sciences in San Francisco. KENNETH L. PARKER learned about the outdoors in scouting activities in Colorado and at Philmont Scout Ranch in New Mexico. Other favorite hiking places are New Zealand, the Maritime Alps of Italy and France, and the Canadian Rockies. He has a physics degree from the Univ. of Colo., and other degrees from the Universities of Oregon and Virginia. Now retired, he has been employed by NASA, Burlington Industries, and the State of North Carolina.