John G. Nickum is a “retired” fisheries scientist who has more than 50 years experience in teaching, research, policy development, and agency management. He holds degrees from Minnesota State University-Mankato (BS), the University of South Dakota (MS), and Southern Illinois University (PhD). He was a member of the graduate faculty at South Dakota State University, Cornell University, and Iowa State University. He taught an array of natural resource oriented courses, including zoology 101, environmental conservation, ichthyology, limnology, fisheries management, and aquaculture: and served as a mentor for hundreds of undergraduate students and approximately 35 graduate students.
Since his retirement from the U.S. Fish and Wildlife Service in 2003, he has remained active professionally as a consultant, writer, editor, and educator. His writing and editing has been primarily in the fields of fish biology, fish culture, and fisheries management. He has placed special emphasis on issues related to animal welfare, the use of live animals in research, and the use of propagated fish in resource management.