Nathaniel, author of Transitions: A Spiritual Evolution
Dr Richard D Riddle Sr holds a Doctorate of Computer Science from Colorado Technical University.  In 2014 he retired from his position as a Principle Engineer for a Defense Contractotor to pursue writing, consulting and special time with family.  Dr Riddle is the author of Transitions, A Spiritual Evolution and Perspectives, Thirty Days to Life.

Dr. Riddle writes under the pen name of Nathaniel.  As explained in Transitions, Nathaniel is the name God gave him at the moment his spiritual existence.  The physical existence is only temporary whereas the spiritual existence last forever, much like the inspirational messages he presents in his writing.