Norman Johnson died in 2017; his Wikipedia article mentions the status of his late work. He completed _Geometries and Transformations_, which was published this year; he left an unfinished work on uniform polytopes, which will also be published in some form. On Tue, Oct 30, 2018 at 10:09 AM Dan Asimov <dasimov@earthlink.net> wrote:

Btw, when I e-mailed Johnson a few years ago, he was still working on completing his magnum opus, which I think is this same classification (or am I confused?).

Anyone know if it's now complete?

—Dan

Allan Wechsler wrote: ----- Johnson chose to enumerate Regular-faced Aplanar Convex (RAC) polyhedra pretty much exactly because it was a finite class that wasn't too hard to cover methodically. ... -----

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