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14 - Maltese Crosses

Published online by Cambridge University Press:  05 August 2012

Greg N. Frederickson
Affiliation:
Purdue University, Indiana
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Summary

The Great War had ended recently, and images of soldiers, slaughter, and valor were still fresh in people's minds. For his “Perplexities” column in the April 1920 issue of The Strand Magazine, Henry E. Dudeney chose the form of one medal, the Cross of Victoria, or Maltese Cross, and posed the puzzle of dissecting it to a square in the fewest possible number of pieces. His solution, requiring thirteen pieces, followed in the May issue. As memory of the war receded and wounds healed, the focus of everyday life moved on. And when, in 1926, collected puzzles from “Perplexities” appeared in Modern Puzzles and How to Solve Them, a change had also occurred in the Maltese Cross puzzle. In place of the original solution was a beautiful new solution that used only seven pieces! The remarkable dissection was attributed by Dudeney to a Mr. A. E. Hill.

In designing this pretty puzzle, Dudeney fixed the dimensions of the cross to conform to the 5×5 grid as shown in Figure 14.1. A. E. Hill's startling solution, given in (Dudeney 1926a), is reproduced in Figure 14.2. Most attractive, it possesses 2- fold rotational symmetry. However, a certain degree of mystery has accompanied this dissection. First, no satisfactory explanation of the dissection method has been given. Second, no information seems to be available on who A. E. Hill was. Although I have had no luck in identifying Mr. Hill, I have found a reasonable explanation for the dissection method.

Type
Chapter
Information
Dissections
Plane and Fancy
, pp. 157 - 162
Publisher: Cambridge University Press
Print publication year: 1997

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  • Maltese Crosses
  • Greg N. Frederickson, Purdue University, Indiana
  • Book: Dissections
  • Online publication: 05 August 2012
  • Chapter DOI: https://doi.org/10.1017/CBO9780511574917.015
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  • Maltese Crosses
  • Greg N. Frederickson, Purdue University, Indiana
  • Book: Dissections
  • Online publication: 05 August 2012
  • Chapter DOI: https://doi.org/10.1017/CBO9780511574917.015
Available formats
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Save book to Google Drive

To save content items to your account, please confirm that you agree to abide by our usage policies. If this is the first time you use this feature, you will be asked to authorise Cambridge Core to connect with your account. Find out more about saving content to Google Drive.

  • Maltese Crosses
  • Greg N. Frederickson, Purdue University, Indiana
  • Book: Dissections
  • Online publication: 05 August 2012
  • Chapter DOI: https://doi.org/10.1017/CBO9780511574917.015
Available formats
×