Analysis of information sources in references of the Wikipedia article "Reuleaux tetrahedron" in English language version.
And as for Hamlet, Man Ray himself broke his rule and offered a little commentary: 'The white triangular bulging shape you see in Hamlet reminded me of a white skull"—no doubt referring to the skull of Yorick that Hamlet interrogates in play—"a geometric skull that also looked like Ophelia's breast. So I added a small pink dot at one of the three corners—a little erotical touch, if you will!'
