Throughout his professional career, David Johnson has been an educator, author, international photographer and archaeologist. During the last fifty years, his international assignments have provided him the opportunity to experience a wide variety of cultures, religions and environments which contributed to his holistic approach to developing a more in-depth understanding of the academic disciplines he is investigating.He was awarded an honorary doctorate degree for his research, is a National Geographic Research and Exploration award recipient and his research documents and publications are preserved in the National Anthropological Archives, Smithsonian Institution, Washington, D.C.. His research examines the correlation between geological and hydrological features and ancient archaeological sites.