Bruce Hensler served as a firefighter from 1976 to 2011 in career, combination and volunteer departments. He has a master's degree in public administration. Joining the state fire service training program in Maine as a part-time program specialist and instructor, he eventually retired as deputy director of the operations division. In 2011, he went to work for the U.S. Fire Administration. His interest in history led him to write Crucible of Fire: Nineteenth-Century Urban Fires and the Making of the Modern Fire Service published in 2011 by Potomac Books. More information about his book is available at www.nebraskapress.edu. Contact Bruce at Bruce.Hensler@FireRescue1.com.