Frederick Whitford works for the Purdue University Cooperative Extension Service in the College of Agriculture. He has authored more than 350 research, extension, and regulatory publications, and has delivered 6,000 presentations to a wide array of audiences. Whitford has written six previous books on the history of Indiana agriculture, including Memories of Life on the Farm: Through the Lens of Pioneer Photographer J. C. Allen.
Andrew Martin is a training specialist with the Purdue University Cooperative Extension Service, where he manages Indiana's commercial pesticide applicator training program.
Phyllis Mattheis is a local historian from Wayne County, Indiana.