Cecil Thomas Madigan (15 October 1889 – 14 January 1947) was an Australian explorer and geologist, academic, aerial surveyor, meteorologist, author and officer of the British army. He was born in Renmark, South Australia. His family had associations with William Benjamin Chaffey.
Born to contractor and fruitgrower Thomas Madigan and Mary Dixie (née Finey) a teacher, Cecil Madigan was the oldest of two sons and two daughters. He was raised by his mother as his father had died in the Kalgoorlie, Western Australian Goldfields. He attended Prince Alfred College in Adelaide, the University of Adelaide, and the South Australian School of Mining and Industry. He won a Rhodes scholarship in 1911 to study geology at Magdalen College, Oxford, but deferred the appointment as he was invited by Sir Douglas Mawson to go as meteorologist on the Australasian Antarctic Expedition. In December 1911 the party left Hobart on board the SY Aurora. In January 1912 they reached Commonwealth Bay in Adelie Land, Antarctica, where they set up a collection of buildings subsequently known as Mawson's Huts. From there he led several expeditions into uncharted regions of Adelie Land and King George V Land. These expeditions gathered vital information about the presence of coal in Antarctica. He was awarded the King's Polar Medal upon their return. Madigan later served with the Royal Engineers in France during the First World War. He saw action at the Battle of Loos where he was wounded, and the Battle of the Somme.
Throughout the 1930s, Madigan participated in numerous aerial surveys of the "trackless areas" of Central Australia, during which time he named the Simpson Desert after the president of the South Australian branch of the Royal Geographical Society of Australasia -- Alfred Allen Simpson. In 1939 he led the first major expedition across the Simpson Desert. Although he was not the first to cross the desert, he has become known as the last of the "classic" explorers of central Australia. For many years he worked as a lecturer in geology at the University of Adelaide.
He married Wynnis Knight Wollaston, a native of Adelaide, Australia, whilst he was in London in 1915. The daughter of Cecil Madigan is renowned Australian sculptor Rosemary Madigan, and her daughter is leading harpist Alice Giles.
Other descendants include David Madigan (deceased) and his two children, Sir Russell Madigan (deceased) and his five children, Neith Madigan (deceased) and her four children, and Robourne Madigan (deceased).
He died of Coronary Vascular disease in Adelaide, on 14 January 1947.
- 1944 - Central Australia. Oxford University Press: Melbourne.
- 1946 - Crossing the Dead Heart. Georgian House: Melbourne. ISBN 1-876622-16-4
- L. W. Parkin, Madigan, Cecil Thomas (1889 - 1947), Australian Dictionary of Biography, Volume 10, Melbourne University Press, 1986, pp 374-376. Retrieved 2008-10-10.
- Madigan, C.T. 1930. An aerial reconnaissance into the southeastern portion of central Australia. Proceedings of the Royal Geographical Society of Australasia, South Australian Branch, session 1928-1929, 30:83-108.
- Madigan, C.T. 1931. The physiography of the Western Macdonnell Ranges, Central Australia. The Geographical Journal 78(5):417-433.
- Madigan, C.T. 1936. The Australian sand-ridge deserts. The Geographical Review 26(2):205-227.
- Beyond the Cloisters: Exploration and Discovery at the University of Adelaide
- Alice and Rosemary // Stateline Canberra, Friday, 5 November 2010
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