![source: Wikimedia Commons Portrait of Henry Ernest Dudeney](https://platonicrealms.com/sites/default/files/images/prime/portraits/dudeney.jpg)
Henry Ernest Dudeney
1857–1930
English mathematician
A good puzzle should demand the exercise of our best wit and ingenuity, and although a knowledge of mathematics and of logic are often of great service in the solution of these things, yet it sometimes happens that a kind of natural cunning and sagacity is of considerable value.