Larry E. Erickson is Professor of Chemical Engineering at Kansas State University where he has been involved in teaching and research for more than 30 years. He directed the Great Plains/Rocky Mountain Hazardous Substance Research Center from 1989- 2003 and the Center for Hazardous Substance Research from 1985-2018. He has helped to provide leadership for the NATO project New Phytotechnology for Cleaning Contaminated Military Sites. He has published several books and helped as coauthor of over 400 professional publications. His B.S. and PhD are in Chemical Engineering from Kansas State University. Gary L. Brase is a Professor in the Department of Psychological Sciences at Kansas State University. He studies complex human decision making using social, cognitive, and evolutionary theories. His research includes work on topics such as medical decisions, decisions about sustainability issues, relationship and fertility decision making, personality and mating decisions, and reasoning about social rules. Dr. Brase has over 100 journal and book chapter publications and over 125 research presentations. He has been at K-State since 2007.