After retiring from his career as a Geological Engineer for a large construction firm, Henry returned to college and earned a MA in anthropology from Arizona State University. After teaching archaeology at a college in Phoenix, Henry moved to San Diego in 2001 and began lecturing at San Diego Oasis. His research specialties are Old World and New World archaeology, Peopling of the World, genetics, history, linguistics, physical science, and religion. His undergrad school is The Colorado School of Mines. He resides in the county near Solana Beach.