Clayton K.S. Chun, Ph.D., is on the U.S. Army War College faculty at Carlisle Barracks, Pennsylvania where he teaches courses on national security, strategy, and economics. He completed a military career in the U.S. Air Force and has published in the fields of national security, military history, and economics.

John White is a commercial illustrator with many years' experience of working with advertising agencies, design firms, publishers and large corporate accounts. He has received awards from The Broadcast Design Association and The National Naval Aviation Museum, and his paintings have appeared in Aviation Art magazine, Aviation History magazine, and on the History Channel. John and his wife Margery live in Charlotte, North Carolina.
John White was born in Knebworth, Hertfordshire, in 1941. After school in NW London he achieved a scholarship to Harrow Collage of Art. He then took up an apprenticeship with the Forestry Commission in Lincolnshire, before qualifying for a place at the FC Forester Training School at Benmore in Argyllshire to study botany and dendrology. He remained with the Forestry Commission, joining their research division in 1962 and following the late Alan Mitchell as Research Dendrologist. He retired in 1996. He has contributed to many publications on the subject of northern hemisphere trees, and illustrated his own Forest and Woodland Trees for OUP in 1995.