Statistics for Who Invented That? Part II

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Invention	Year (circa)	Inventor	% Correct
Printing Press	1439	Johannes Gutenberg	89%
Bifocal glasses	1750	Benjamin Franklin	78%
Atomic Bomb (project lead)	1945	J. Robert Oppenheimer	67%
AK-47	1946	Mikhail Kalashnikov	67%
Phonograph	1877	Thomas Alva Edison	67%
Screw for lifting water	200 BCE	Archimedes	56%
Hot Air Balloon (manned)	1783	Joseph-Michel and Jacques-Etienne Montgolfier	56%
World Wide Web	1989	Tim Berners-Lee	56%
Penicillin	1928	Alexander Fleming	44%
Petrol Automobile	1885	Karl Benz	44%
Liquid-Fueled Rocket	1926	Dr. Robert H. Goddard	33%
Nuclear Reactor	1942	Enrico Fermi	33%
Helicopter (practical)	1939	Igor Sikorsky	33%
Aqua-Lung	1943	Jacques Cousteau	33%
X-Rays	1895	Wilhelm Roentgen	33%
A-4 / V-2 Rocket	1942	Werner von Braun	22%
AR-10, AR-15, AR-18	1960	Eugene Stoner	11%
Hook and Loop (Velcro)	1941	George de Mestral	11%
Air Brakes	1868	George Westinghouse	11%
Submarine (combat victory)	1863	Horace Lawson Hunley	11%
Kevlar	1965	Stephanie Kwolek	11%
DMC-12	1981	John DeLorean	0%