The life of English explorer William Cotton Oswell (1818-93) was marked by adventures and discoveries. At nineteen, he left Essex for Madras, where he worked for the East India Company and became a renowned elephant catcher. Due to poor health, he was sent to South Africa, the 'empire of wild sport', where he specialised in hunting and exploration. He discovered the River Zouga and Lake Ngami during an expedition across the Kalahari desert, and travelled...