The Enlightenment

A runaway printer's apprentice became the one man to sign the Declaration, the peace treaty with Britain, and the Constitution, having spent decades as a slaveholder before turning into a public abolitionist.

Hume dismissed his own most original book as immature work and asked to be judged by his later writing instead, a request modern scholars have quietly overruled.

The story of Bacon dying after stuffing a chicken with snow to test refrigeration comes from a biographer known for embellishment, while his own secretary's account says only that he caught a lung ailment.

A king beaten into obedience by his father grew into a philosopher-warrior whose wars built Prussia and whose afterlife was claimed by people he never met.

The story that Konigsberg residents set their clocks by Kant's daily walks is probably later embellishment, a small warning about how much of his popular biography deserves the same scrutiny.

Newton spent enormous private effort on alchemy that never appeared in his published work, and his own students found his lectures so unengaging that he reportedly cut them short whenever no one showed up.

The theorist behind a landmark treatise on raising children placed several of his own in a foundling hospital, and even he could not settle on one consistent explanation for why.

Kepler's mother was tried for witchcraft and briefly imprisoned in a case historians now read as an attack on Kepler himself through his family, not a routine local accusation.

Locke argued natural rights belonged to everyone while personally profiting from colonial ventures tied to slavery, a contradiction historians still weigh rather than explain away.

Montesquieu's account of English government, quoted in colonial America more than any source but the Bible, may not have described how England was actually governed so much as how he wanted it to look.

The scholar who inherited Descartes's papers edited his letters into a more saintly shape after his death, and even the standard story of his fatal illness has since been challenged.

Historians cannot agree when it started, cannot agree when it ended, and disagree over whether it was even one movement rather than several running in parallel.

1755

1680

Historians still argue whether the Renaissance was a genuine break from the medieval world or a later label pasted onto centuries that were never as separate as the name implies.

Even Hobbes's own mother's name was lost to record, and much of what fills that gap comes from a biographer known for mixing solid research with credulous anecdote.

Voltaire's most famous line about defending a view he despised was never actually written by him, invented instead by a biographer paraphrasing his attitude nearly two centuries later.