Robert G. Sutter ; with a contribution by Larry Niksch. David A. Watt ; with a contribution by Muffy Thomas. Robert J. Ouellette ; with contributions by J. David Rawn. Robert E. Hodges, with contributions by Raymond D. Adelman. Barry Fryer with contributions by Marilyn Fryer. Mary Lou Moore, with a contribution by Ora Strickland. Barry A. Farber, with contributions by Leonard D. Wechsler. Joel R. Saper, with contributions. Philip Ball ; with a contribution by Dirk Helbing.