Re: [math-fun] An identity by Wrench generalized

="Fred Lunnon" <fred.lunnon@gmail.com> Why not? He won't bite you! [And you might even get a mention in the next edition.]

I recommend this. I once mailed him hardcopy (DEK's preferred medium of correspondence) and he replied by penciling annotations (some quite amusing) on the document, sort of like proofing a paper. So should you also choose the dead tree channel, double space.