 His theory is known simply as "The Code" and asserts that an ancient numerological system known as gematria is used in the manipulation of numbers to other key locations, mathematical components and positions of sights in the geometry of their construction.The theory later become popularized and among other practitioners and researchers in pseudo-scientific fields, such as Michael Lawrence Morton, Richard C. Hoagland, Bruce Cathie, and Hugh Harleston Jr.They adapted archaeocryptography to their own studies, developing different theories  and books  based on the topic.