Richard Duhrkopf,^* Rachel Hays,^** Karen J. Dalton<sup>***


*</sup>Richard Duhrkopf, an editor of Classroom Technology Reviews, is Associate Professor and Director of Graduate Studies of Biology at Baylor University, Waco, TX 76798. He teaches introductory biology for majors and nonmajors and advanced genetics and also serves as director of Biological Computing. He has a B.S. in zoology and an M.S. and Ph.D. in genetics, all from Ohio State University. He has been active in the development of a wide variety of educational software. Electronic mail can be sent to him at rickduhrkopf@baylor.edu.
^**Rachel Hays is the editor of the Audio Visual Reviews section of ABT. She holds a Ph.D. in botany from the University of California, Davis, and has taught courses at the college level. With a B.S. from San Diego State University, Hays went on to the University of California, Davis, for her M.S. degree. For several years, Hays has done research for the Natural Resources Ecology Laboratory at Fort Collins, CO, studying nutrient cycling and soil organisms. She has published articles in several popular and scientific periodicals. She can be reached through NABT, 12030 Sunrise Valley Drive, Suite 110, Reston, VA 20191 or hays_r@compuserv.com.
^***Karen J. Dalton, Community College of Baltimore County, Catonsville, MD 21228