Egon Spengler the city, after the digging of a new subway tunnel resulted in the release of an ancient ghost, Spengler was forced to recruit his only four current students to act as the new Ghostbusters. Although willing to do his share of the legwork, Spengler overestimates his abilities and his aging becomes apparent when he is no longer able to work at the same level as in his younger days, generally working at the firehouse doing research while the team handle the actual 'Ghostbusting', though when the situation calls for it he will help. Melnitz is still carrying a torch for
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