Hale, Thomas: - Thomas Hale and his wife Cynthia were both physicians. They served as medical missionaries in Nepal starting in 1970 and had two sons. Tom is the author of other books on missionary life, including A Light Shines in Central Asia, The Applied Old Testament Commentary, and The Applied New Testament Commentary.

Daniels, Gene: - Gene Daniels (D Lit et Phil, University of South Africa) has been a missionary and researcher in the Muslim world for over twenty-five years. He and his family started their journey in Central Asia as church planters among unreached Muslim people groups. Daniels has authored several books and dozens of articles. Above all, he longs to someday hear the words, "Well done my good and faithful servant."