Mawson
SIR DOUGLAS, British- Australian Antarctic explorer and geologist; born in Bradford, England, in 1882. While still young he went to Australia, where he was educated at the Universities of Sydney and Adelaide, receiving the degree of D. Sc. in 1909 from the latter institution. He was one of the members of the scientific staff of the Shackleton South Polar Expedition, and reached and determined the position of the south magnetic pole on Victoria Land.
From 1911 to 1914 he commanded the Australasian Antarctic Expedition, making many discoveries of unknown land and gathering extensive and valuable scientific data. For his services in connection with this expedition, he was knighted in 1914. In the following year he made successful lecture tour through the United States covering his Antarctic experiences. Besides many scientific papers, he has also published "The Home of the Blizzard." a MAXENTIUS (mak-sen'shius), MAR- CUS AURELIUS VALERIUS, a Roman emperor, the son of Maximianus Herculius. He declared himself emperor in 306. He was opposed to Galerius Maximianus, who was defeated, and slew himself. Maxentius then marched into Africa, where he became odious by his cruelties. Constantine afterward defeated him in Italy, and he was drowned in crossing the Tiber, in 312.