Ray Stantz Ray Stantz Raymond "Ray" Stantz, PhD is a fictional character from the "Ghostbusters" franchise. He appears in the films "Ghostbusters" (1984), "Ghostbusters II" (1989), "Casper" (1995, as a cameo), the animated television series "The Real Ghostbusters" and "Extreme Ghostbusters", and the video games Beeline's "Ghostbusters" and "". He was portrayed by Dan Aykroyd in both live action films, and voiced by Frank Welker in the animated series. He is a member of the Ghostbusters and one of the three doctors of parapsychology, along with Dr. Peter Venkman and Dr. Egon Spengler. Dan Aykroyd has a cameo appearance in "Ghostbusters" (2016)
John Spengler and strategies, and was a member of Harvard's Greenhouse Gases Executive Committee. He has been an advisor to the World Health Organization on indoor air pollution, personal exposure, and air pollution epidemiology. In 2003, Dr. Spengler received the 9th Annual Heinz Award in the Environment. Ph.D., 1971, State University of New York, Albany John Spengler John Daniel Spengler is an American health scholar currently the Akira Yamaguchi Professor of Environmental Health and Human Habitation at Harvard T.H. Chan School of Public Health and a Faculty member in the Department of Environmental Science and Public Policy of the Faculty of Arts