Dr. J. R. Calvert, Ph.D.


Dr. J.R. Calvert Publisher and InsidePOOL Magazine Founder Dr. J.R. Calvert (Ph.D.), entrepreneur, inventor, publisher, photographer, and author started playing pool at the age of 15. He also started to attend college at this time. With hard work and practice, he quickly honed his game, rising to the top of the local ranks in Pittsburgh, […]