| Invention | Year | Inventor | % Correct |
|---|---|---|---|
| Lightbulb (practical) | 1878 | Thomas Edison | 92%
|
| Telephone | 1876 | Alexander Graham Bell | 87%
|
| Airplane | 1903 | Wright Brothers | 81%
|
| Psychoanalysis | 1890s | Sigmund Freud | 73%
|
| Lightning Rod | 1749 | Benjamin Franklin | 66%
|
| Dynamite | 1867 | Alfred Nobel | 63%
|
| Alternating Current (transmission system) | 1887 | Nikola Tesla | 54%
|
| Cornflakes | 1894 | John Kellogg | 52%
|
| Revolver | 1836 | Samuel Colt | 50%
|
| Blue Jeans | 1873 | Levi Strauss | 48%
|
| Cotton Gin | 1793 | Eli Whitney | 41%
|
| Radio (practical) | 1890s | Guglielmo Marconi | 39%
|
| Telegraph (practical) | 1844 | Samuel Morse | 37%
|
| Periodic Table | 1869 | Dmitri Mendeleev | 36%
|
| Steam Engine (condensation chamber) | 1765 | James Watt | 32%
|
| Polio Vaccine | 1952 | Jonas Salk | 32%
|
| Machine Gun | 1862 | Richard Gatling | 27%
|
| Basketball | 1891 | James Naismith | 24%
|
| Vulcanized Rubber | 1839 | Charles Goodyear | 23%
|
| Geodesic Dome | 1948 | Buckminster Fuller | 12%
|