From Wikipedia, the free encyclopedia Beth Murphy is a documentary director, founder of the film production studio Principle Pictures, and an author. She has produced/directed numerous television documentaries for Discovery International, The History Channel, Discovery Health, Lifetime Television and PBS. In 2002, she produced the documentary Fighting For Our Future, hosted by Melissa Joan Hart whoch focused on young women who have been diagnosted with breast cancer. In 2003, she wrote a compan ...