Patently Obvious

Who is commonly acknowledged as inventing the following:


1Electric motor (1832)
2Jet engine (1930)
3Penicillin (1928)
4Seed drill (1701)
5Vulcanised rubber (1844)
6Parachute (15th century)
7Spitfire aeroplane (1920’s)
8Clockwork (wind-up) radio (1993)
9Dynamite (1863)
10Electric light bulb (1800)
quiz kindly submitted by Vince Newman on 17th May 2011