Dr. Frank Moore, PhD, is retired from service at the Global Ministry Center for the Church of the Nazarene and Nazarene institutes of higher education. He holds his PhD in the history of Christian thought from Vanderbilt University and an MDiv from Nazarene Theological Seminary. Dr. Moore has authored twenty books and myriad articles. He lives in Olathe, Kansas, with his wife, Sue. Dennis F. Landrum holds bachelor's and master's degrees in economics from New Mexico State University. His professional business career covered more than forty-fi ve years and included a variety of technical and management roles in agriculture, industrial operations, and process management. He has been retired since 2017 and lives in Overland Park, Kansas, with his wife, Linda.