Henry Ernest Dudeney (1857–1930)

The Victorian puzzle genius who made numbers, logic and geometry wonderfully entertaining.

Henry Ernest Dudeney
Old photograph of Henry digitally modernised

Henry Ernest Dudeney was one of those rare people who could make mathematics feel like a story, a joke, a challenge and a mystery all at once. Born in Sussex in 1857, he did not follow the usual academic path to mathematical fame. Instead, he worked in ordinary jobs, wrote for newspapers and magazines, and developed an extraordinary talent for turning everyday situations into puzzles that made people stop, think and smile.

His puzzles appeared at a time when magazines were a major form of popular entertainment, and Dudeney became one of the great masters of recreational mathematics. Readers encountered his problems in columns such as “Perplexities” in The Strand Magazine, and later in collections including The Canterbury Puzzles and Amusements in Mathematics. His best puzzles were not merely sums dressed up in words; they were little worlds, full of travellers, shopkeepers, chessboards, coins, ropes, animals, bridges and curious arrangements that invited the reader to reason their way to a hidden truth.

than a century later, Dudeney’s work still feels fresh because he understood something every good teacher knows: people enjoy thinking when the question is intriguing enough. His legacy is not just a list of clever answers, but a way of presenting mathematics as play, exploration and surprise. Many of today’s puzzle creators, teachers and maths enthusiasts are still following paths that he helped to mark out.

Transum versions of Dudeney Puzzles

Drag-and-Drop

The Miller's Puzzle

The Miller's Puzzle

This is an interactive version of the puzzle described by Henry Ernest Dudeney in The Canterbury Puzzles

The short web address is:

Transum.org/go/?Num=344

Drag-and-Drop

The Broken Chessboard

The Broken Chessboard Puzzle

The chessboard has been broken into 13 pieces. Can you put it back together?

The short web address is:

Transum.org/go/?Num=547

Levelled Exercises

Squareas

Squareas

Square areas - some are shown and others can be deduced to find the unknown

The short web address is:

Transum.org/go/?Num=1168

Newsletter Puzzle

Mrs Brambleshaw's Apples

Squareas

How many young Pickles were there if they all received the same amount of fruit?

The short web address is:

Transum.org/Newsletter/?p=572

The Dudeney Puzzle Catalogue

An index of 1251 puzzles by Henry Ernest Dudeney

Puzzle Name Topic Book PDF File No. Dudeney's Section
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