Paul K. Williams has an educational background in historic preservation and architecture from both Roger Williams and Cornell Universities. Since 1995, he has been the proprietor of Kelsey & Associates, The House History People, focusing on individual house and building research in Washington, DC and beyond. He is the author of 12 books on Washington, DC neighborhoods, institutions, and themes, the Charles Village neighborhood in Baltimore, and books on his childhood residences on Skaneateles and Owasco Lakes in upstate New York. In addition to Lost Washington, Williams maintains a daily blog on Washington, DC history at The House History Man, and is completing a book on how to research your own house history.