Rudolph J. Miller , an artist, is Professor Emeritus of Zoology at Oklahoma State University, Stillwater, Oklahoma. He has twenty-eight years of experience studying and collecting Oklahoma fishes.
Henry W. Robison is coauthor of Amphibians and Reptiles of Arkansas, Fishes of Arkansas, and Only in Arkansas: A Study of the Endemic Plants and Animals of the State. He is Professor of Biology at Southern Arkansas University, Magnolia, Arkansas.