Paul K. Williams is the proprietor of Kelsey & Associates, Inc., a historic preservation research firm with offices in Baltimore and Washington, DC. He has worked for the National Conference of State Historic Preservation Officers. He has published fourteen books previously, mainly focusing on architecture. He is also the recipient of the Senator Claiborne Pell Annual History Award.
Gregory J. Alexander is a freelance writer and editor who works with Mr. Williams. His articles have been published in the Baltimore Sun, the Washington Post, Maryland Family, Port of Baltimore Magazine, and several other newspapers and magazines. He was also a Special Sections Manager for the Sun. He has previously coauthored two other books with Mr. Williams.