John has been a Marine, an Army helicopter pilot, and is a Vietnam veteran. In addition, he was an air traffic controller, a computer geek, and a computer-networking instructor at a community college. His interests have ranged from stamp collecting to skydiving, computers to scuba diving, motorcycles and, of course, flying. He now pursues more sedate, but nonetheless exciting, activities such as writing and photography. After having lived in the Chicago, Illinois area for most of his life, he and his wife Cynthia now live in Northern Kentucky, USA.