A number of publications, including
H. H. Finlayson’s
The Red Centre: Man and Beast in the Heart of Australia (1935), and
Walkabout travel and geographical magazine (1934–1974), revised Australians' concept of 'The Centre" from the picture presented in
J. W. Gregory's
The Dead Heart of Australia (1909). Leader-to-be of the Arnhem Land Expedition,
Charles P. Mountford and his wife Bessie travelled over four months from
Ernabella to
Uluru in 1940, with Lauri Sheard and skilled cameleer Tommy Dodd undertaking an extensive study of the art and mythology surrounding Uluru and
Kata Tjuta. The results of this endeavour were showcased through photographic exhibitions and a prize-winning film created in 1940, which subsequently became the foundation for Mountford's first publication
Brown Men and Red Sand (1948), and his 1945 lecture tour in the United States which paved the way for the establishment of the American-Australian Scientific Expedition to Arnhem Land. The American-Australian Scientific Expedition to Arnhem Land, known as the 'last of the big expeditions,' was not primarily about terrestrial exploration but aimed to advance knowledge. It focused on studying the natural environment and Aboriginal inhabitants. Taking place after
World War II, it symbolized transformations in Australia and globally. The expedition served diplomatic objectives by showcasing collaboration between the
United States and
Australia, enhancing their trans-Pacific relationship. The mission's public face hid negotiations that would shape this relationship for the 20th century. The expedition garnered domestic support due to Australia's pro-American sentiments after WWII, as the nation adjusted to post-war changes and Britain's reduced global influence. The subsequent signing of the ANZUS Treaty by
Robert Menzies continued this collaborative trajectory. == The expedition ==