Marion T. Jackson earned a PhD in plant ecology from Purdue University. He was Professor Emeritus of Ecology at Indiana State University, Past President of the Indiana Academy of Science, and the editor of The Natural Heritage of Indiana. He passed away in 2019.Katherine Harrington earned her BFA in graphic design at Indiana State University.Ron Rathfon serves as Purdue University's extension forester in southwest Indiana. He holds an MS in Forestry from Virginia Polytechnic and State University.