Mark Richard Miller finished his B.S. degree in New York and moved on to Ball State University, where he obtained the Masters degree. He went to work in San Antonio. He taught high school and went to graduate school in College Station, Texas, where he finished the Doctorate. He took a position at Texas A&M University in Kingsville, Texas, where he now teaches in the Industrial Technology Department as a Professor and Department Chairman. He has coauthored 19 books and contributed many articles to technical magazines. His hobbies include refinishing a 1970 Plymouth Super Bird and a 1971 Road-Runner.
Eugene Leger is a long-time professional tradesman who specialized in building design and construction methods.