| By | Book |
| Isaac Newton | |
| Marie Stopes | |
| Plato | |
| Homer | |
| Charles Darwin | |
| Karl Marx and Friedrich Engels | |
| Mary Wollstonecraft | |
| Micahel Faraday | |
| Samuel Johnson | |
| William Tyndale and Fifty-four Scholars Appointed by the King | |
| | By | Book |
| Dante Alighieri | |
| Franz Kafka | |
| Miguel de Cervantes | |
| Sigmund Freud | |
| Simone de Beauvoir | |
| David Hume | |
| Virgil | |
| Niccolo Machiavelli | |
| Thomas Paine | |
| Leo Tolstoy | |
|