Jeffrey J. Byrd, Ph.D.,
teaches undergraduate courses in microbiology, virology, genetics, and the biology of disease at St. Mary's College of Maryland, the honors college of the University of Maryland. He is a full professor and about to become chair of the department of biology. Dr. Byrd does research on bacterial genetics, bacterial disease, and antimicrobial products.
Tabitha M. Powledge is an award-winning science and medical journalist who has written for a broad range of popular and professional publications, including Popular Science, Health, Scientific American, Salon.com, Archaeology, and Washington Post, as well as many scientific journals.