<b>Elaine Morgan</b> (1920-2013) was the author of the 1972 book <i>The Descent of Woman</i>, which suggested that human evolution had an aquatic origin. This idea was attacked at first by scientists, but the book became an international bestseller. In the decades since, Morgan s aquatic ape hypothesis has gained widespread support. She was also a BAFTA-winning television writer.
Attenborough asks whether this theory is any closer to achieving mainstream acceptance. --BBC Focus, on The Waterside Ape