Inventors

albert einstein (1879-1955) atom bomb (1939)

alessandro volta-electric battery (1801)

alexander graham bell (1842-1922) telephone (1876)

archimedes (287bc 212bc)

benjamin franklin (1706-1790) electricity (1752)

conrad roentgen x rays (1895)

edmon halley (1656-1743) comet

edward jennr (1749-1823) pox vaccine (1796)

galilei galileo (1564-1642) telescope (1609)

james watt (1736-1839) steam engine (1769)

sir issac newton (1642-17270) gravity (1660)

thomas edison (1847-1913) electric bulb (1880)