VIDEO: Lt. David Siegel, a Green Bay Metro Firefighter, recently wrote a book about the history of the department. "Forces of Change" examines the landmark and seminal events that led to the creation and development of the early Green Bay Fire Department. This exhaustively researched book chronicles the time from establishment of organized firefighting in 1836, to creation of a stable fire department, through the merger of the cross-river sister-city fire departments of Green Bay and Fort Howard in 1895.