| 1 |
Printing Press |
1450 |
Johannes Gutenberg |
allowed literacy to greatly expand |
| 2 |
Electric Light |
1879 |
Thomas Edison |
powered countless social changes |
| 3 |
Automobile |
1885 |
Karl Benz |
increased personal mobility and freedom |
| 4 |
Telephone |
1876 |
Alexander Graham Bell |
spread communication across wide areas |
| 5 |
Radio and Television |
1895 & 1926 |
Guglielmo Marconi & John Baird |
made the world smaller |
| 6 |
Vaccination |
1796 |
Edward Jenner |
protected people from disease |
| 7 |
Computer |
1939 |
John Atanasoff, et al. |
transformed business world; predecessor to the Internet |
| 8 |
Airplane |
1903 |
Orville and Wilbur Wright |
allowed people and products to quickly move |
| 9 |
Gas powered tractor |
1892 |
John Froelich |
started agricultural mechanization |
| 10 |
Anesthesia |
1844 |
Horace Wells |
provided a great leap forward for medicine |
