Penicillin (1928) Alexander Fleming
Electricity (1821) Michael Faraday
DNA (1953) Watson, Francis
Screw Pump (200 BC) Archimedes
Oxygen (1772) Carl Wilhelm Scheele
Fingerprints (1823) Evangelista Purkinje
Gravity (1664) Isaac Newton
Pasteurization (1860) Louis Pasteur
Quantum Theory (1922) Niels Bohr
The Big Bang Theory (1927) Georges Lemaitre
Anesthesia (1846) William T. G. Morton
Theory of Relativity (1905) Albert Einstein
Infrared (1800) William Herschel
Paper (25-220 AD) Cai Lun
Polio Vaccine (1953) Jonas Salk
Periodic Table (1869) Dmitry Mendeleev
X-Rays (1895) Wilhelm Roentgen
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