Marjorie Cowley was trained at the Fowler Museum of Cultural History at the University of California, Los Angeles, and taught prehistoric history to students from first grade through high school. In this capacity she was designated a professional expert by the Los Angeles Unified School District.
Gareth Richards has been narrating audiobooks for over three years in addition to performing on stage in projects as varied from Shakespeare to sketch shows. Being a native British speaker, he is experienced in a number of different dialects from around the British Isles and Ireland.