Ronald Bruce Herberman (February 26, 1940 – June 1, 2013) was an American physician, immunologist, oncologist, and professor of medicine and pathology who founded the University of Pittsburgh Cancer Institute (UPCI), a National Cancer Institute-designated Comprehensive Care Center in 1984. He helped discover[1] natural killer cells capable of killing cancer. He became well known outside the medical community in 2008 for his public warning about the potential health impacts of mobile telephones and recommending a reduction in their use.