-
Printing Press
1450
Johannes Gutenberg
allowed literacy to greatly expand -
Vacination
1796
Edward Jenner
protected people from disease -
Telephone
1876
Alexander Graham Bell
spread communication across wide areas -
Electric light
1879
Thomas Edison
powered countless social changes -
Automobile
1885
Karl Benz
increased countless social changes -
Radio and television
1895 & 1926
Guglielmo Marconi & John Baird
made the world smaller -
Computer
1939
John Atanasoff
transformed business world
predecessor to the internet
