| Discovery/Contribution/Invention | Scientist |
| Special Relativity | |
| Dynamite | |
| Psychoanalysis | |
| Universal Law of Gravitation | |
| Oxygen | |
| Radioactivity | |
| X-Rays | |
| Penicillin | |
| The Neutron | |
| Heliocentricity | |
| | Discovery/Contribution/Invention | Scientist |
| Expanding Universe | |
| Geomagnetic Reversal | |
| Set Theory | |
| Induction Motor | |
| The World Wide Web | |
| The Battery | |
| Cardiac Pacemaker | |
| Flushing Toilet | |
| Vulcanization | |
| The Zipper | |
| The Floating Ballcock | |
|