Stephen A HansenStephen A. Hansen is a longtime resident of Washington, D.C. He is an architectural historian and historic preservation specialist, and author. He is principal at DC Historic Designs, LLC, in Washington, D.C. Previously, he worked for the National Pak Service and as an archaeologist in and around the Washington area. He serves as a trustee of the Committee of 100 on the Federal City and sits on its historic preservation committee. John DeFerrari, a native Washingtonian with a lifelong passion for local history, pens the Streets of Washington blog and is the author of Lost Washington, D.C. (The History Press, 2011) and Historic Restaurants of Washington, D.C. (The History Press, 2013). He has a master's degree in English literature from Harvard University and works for the federal government. Read More Read Less