Charles Wilson Killam was an American architect, engineer, and professor at Harvard University. He was widely recognized for his technical knowledge, architectural theory, educational views, and publications. He was also known for his consulting work for the Harvard Business School and Baker Library as well as his extensive restoration work at Mount Vernon. He was a key contributor to the development of Harvard's School of Architecture and to collegiate architectural education throughout the United States. Killam also took an active role in the planning and development of Cambridge, Massachusetts and served on numerous boards and committees. Additionally, he was an advocate for low-cost and public housing as well as an early advocate for architectural education for women.

Mount Vernon is the former residence and plantation of George Washington, a Founding Father, commander of the Continental Army in the Revolutionary War, and the first president of the United States, and his wife, Martha. An American landmark, the estate lies on the banks of the Potomac River in Fairfax County, Virginia, approximately 15 miles south of Washington, D.C..