A Classics student is trying to reconstruct the history of geometrical and mathematical diagrams by examining copies and translations of Elements, the ancient work of Greek mathematician Euclid.

Although Venn diagrams initially applied to logic and set theory, the four-circle conundrum raised an interesting geometry question. That seed has blossomed into a fascinating investigation into ...

The Geometry of Compasses; or, Problems Resolved by the mere Description of Circles, and "the Use of Coloured Diagrams and Symbols". By Oliver Byrne. (London: Crosby Lockwood and Co., 1877.) ...