The forgotten 1948 scientific expedition to Arnhem Land

The 1948 American-Australian Scientific Expedition to Arnhem Land in Australia's Northern Territory was at the time the biggest scientific expedition in history. Despite this, it's largely been forgotten, until now. In his new book, 'Clever Men' award-winning historian and documentary filmmaker, Martin Thomas uncovers the secrets, scandals and unlikely achievements that unfolded as the worlds of scientific hubris and the world's oldest surviving cultures collided.