A native of Philadelphia, Tim Hayburn has long loved the history of his hometown. He formerly served as a tour guide in historic Philadelphia. Tim recently completed his doctorate in colonial American history with a focus on capital punishment in 18th century Pennsylvania from Lehigh University. Tim teaches US History at several of the area colleges.

Justina's master's degree in early American material culture from the Winterthur Program at the University of Delaware complements well her interest and love of sharing Philadelphia with visitors. At the Philadelphia Museum of Art, she works as Site Manager for Mount Pleasant and Cedar Grove, two historic homes in Fairmount Park administered by the Museum. She also designs programs and trains guides to share the Museums' collections with the public. Working with Museum curators, preservation professionals, and other stakeholders, she advocates for public access to and interest in local historic sites.

Joella Clamen holds a Bachelor's Degree in Philosophy and the History of Math and Science from the Great Books Program at St. John's College, Annapolis, Maryland, and a J.D. from the University of Michigan Law School. She is taking a break from legal practice to indulge her passion for American history. Joella is a member of the Association of Philadelphia Tour Guides and has passed their examination to be a certified guide for historic Philadelphia. She is a currently a guide at Eastern State Penitentiary Historic Site, a museum set in an fascinating former 19th Century Philadelphia prison. She has previously worked as a guide at the Physick House, Powel House, Christ Church, and Christ Church Burial Ground. In addition to guiding, Joella has been involved with a number of history-related writing projects, such as contributing biographical sketches to an educational initiative which examines the lives of New Jersey citizens during the American Revolution. Like so many in the tourism business, she is also working on a book: the story of two of the Delaware Valley's most fascinating, yet relatively unknown, 18th century business-women.