Richard J. Ablin, PhD, DSc (HON) is a professor of Pathology at University of Arizona College of Medicine. In 1970 he identified PSA the prostate specific antigen that is used as a test for prostate cancer. For decades he has fought against the misuse of his discovery, including a 2010 "New York Times" op-ed titled "The Great Prostate Mistake.' He is the author of the book "The Great Prostate Hoax " and lives in Tucson, AZ.