Margaret and Peter© BBC/John Lilly EstateWho? In 1963, Margaret Howe, a resident of the Caribbean island of St Thomas, was informed by her brother-in-law that there was a secret dolphin laboratory operating at the eastern end of the island. Aged just 23, and possessed of a great affinity with animals, Howe made up her mind to pay the lab a visit to offer her assistance. Upon her arrival she was met by the lab's director, Gregory Bateson, who was struck by her gal...