Joseph Di Rienzi is a Ph.D. Emeritus Physics Professor at Notre Dame of Maryland University, currently living in Maryland. He also worked over two decades as a Research Visiting Scientist at NASA Goddard Space Flight Center. His areas of expertise include the foundations of quantum theory and matter-antimatter interactions. He is the co-breeder of thoroughbred horses and has written extensively on the history of thoroughbred racing in the United States. (His horse racing blog can be found at tjtgreen.blogspot.com.)