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By H. S. M. Coxeter

The Fifty-Nine Icosahedra was once initially released in 1938 as No. 6 of "University of Toronto stories (Mathematical Series)". Of the 4 authors, in basic terms Coxeter and myself are nonetheless alive, and we are the authors of the entire textual content of the booklet, within which any indicators of immaturity may possibly be seemed leniently on noting that either one of us have been nonetheless in our twenties while it was once written. N both of the others used to be a certified mathematician. Flather died approximately 1950, and Petrie, tragically, in a street twist of fate in 1972. Petrie's half within the booklet consisted within the tremendous tough drawings which consti­ tute the left half all of the plates (the a lot easier ones at the correct being mine). a quick biographical observe on Petrie might be came upon on p. 32 of Coxeter's typical Polytopes (3rd. ed. , Dover, big apple, 1973); and it can be extra that he was once nonetheless a schoolboy whilst he found the typical skew polygons which are named after him, and are the celebration for the be aware on him in Coxeter's ebook. (Coxeter additionally was once a schoolboy while a few of the effects for which he'll be so much remembered have been bought; he and Petrie have been schoolboy pals and used to interact on polyhedron and polytope conception. ) Flather's half within the booklet consisted in creating a very attractive set of miniature versions of all of the fifty-nine figures. those are nonetheless in life, and in first-class renovation.

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