William of Ockham
William of Ockham (c. 1287–1347) was an English Franciscan friar and scholastic philosopher, best known for the principle that bears his name: Occam's Razor.
The Razor
Ockham's principle — entia non sunt multiplicanda praeter necessitatem ("entities should not be multiplied beyond necessity") — was not entirely original to him, but he applied it so consistently that it became associated with his name.
In Ockham's time, this was a tool for theological and philosophical debate. Today it is a cornerstone of scientific reasoning: prefer the hypothesis that makes the fewest assumptions.
Connections
Ockham's razor connects to modern thinking tools:
- First Principles Thinking shares the same spirit — strip away unnecessary complexity to find the core
- Map is Not the Territory — simpler models (maps) are less likely to mislead, which is why Ockham's principle endures
- Hanlon's Razor applies a similar logic to human behavior: the simpler explanation (confusion) is usually more accurate than the complex one (conspiracy)