CAROL TENOPIR, PhD, is a Professor in the School of Information Sciences at the University of Tennessee, Knoxville. In addition to four books, Dr. Tenopir has published over 200 journal articles. Since 1983 she has been writing the "Online Databases" column for Library Journal. Dr. Tenopir is a frequent speaker at professional conferences and has earned numerous teaching and research awards.

DONALD W. KING, a statistician, has researched science, engineering, and medical communication for over forty years. He has authored or edited sixteen books, two of them award winners, and in the late 1970s he was named as one of the ten most-cited authors in the information field. Among numerous awards, he was named Pioneer in Science Information (Chemical Heritage Foundation).