Allen F. Repko, PhD, is the former director of the interdisciplinary studies program in the School of Urban and Public Affairs at the University of Texas at Arlington, where he developed and taught the program's core curriculum for many years. The program is one of the largest in the United States. Repko has written extensively on all aspects of interdisciplinary studies, has twice served as coeditor of the interdisciplinary journal Issues in Integrative Studies, and has served on the board of the Association for Interdisciplinary Studies (AIS). Rick Szostak, PhD, is professor and chair of economics at the University of Alberta, where he has taught for 34 years. He is the author of a dozen books and 50 articles, all of an interdisciplinary nature. Several of his publications address how to do interdisciplinary research, teach interdisciplinary courses, administer interdisciplinary programs, or organize information in order to facilitate interdisciplinarity. As an associate dean, he created the Office of Interdisciplinary Studies at the University of Alberta, the Science, Technology and Society program, an individualized major, and two courses about interdisciplinarity. He has twice served as coeditor of the interdisciplinary journal Issues in Integrative Studies. He was president of the Association for Interdisciplinary Studies (AIS) from 2011 to 2014. He can be contacted at rszostak@ualberta.ca.