Carol M FrontCarol M. Front, coauthor of Allentown, is an industrial photographer and author. Joan Minton Christopher is a writer and works in television production. Martha Capwell Fox, author of Catasauqua and North Catasauqua and Whitehall and Coplay, is a freeance writer and editor. All three authors share an avid interest in local and industrial history. Read More Read Less