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harrison.leinweberScott Knowles is the Head of the Department of History at Drexel University in Pennsylvania. He specializes in the history of technology, disaster, and public policy. He has a number of other publications that are relevant to the DSTS Network including a book, The Disaster Experts: Mastering Risk in Modern America, and co-authored "Critical Studies in Risk and Disaster, and a volume on the Fukushima disasters. He is not professionally situated among emergency responders; however, he does conduct research on the subject.