Penelope Hartshorne Batcheler (1928-2007) received her bachelor's degree in architecture in 1953 from the Illinois Institute of Technology. Batcheler moved to the Philadelphia area around 1956. She was the only woman on the team of preservationists who restored Independence Hall in the 1960s, and was involved in the restoration of Society Hill, Assembly Hall, Congress Hall, Old City Hall, Franklin Court, City Tavern, Old Swedes Church and many other significant buildings. She retired in 1993 from her position as the chief architect for the National Park Service.