PATENTLY OBVIOUS
Who is commonly acknowledged as inventing the following:
1. Electric motor (1832)
2. Jet engine (1930)
3. Penicillin (1928)
4. Seed drill (1701)
5. Vulcanised rubber (1844)
6. Parachute (15th century)
7. Spitfire aeroplane (1920ís)
8. Clockwork (wind-up) radio (1993)
9. Dynamite (1863)
10. Electric light bulb (1800)