Photo of Neal Stephenson.
Author of the novel Anathem, as well as other novels. See his Wikipedia page for further information on his life and work.
Speculation[]
Curiously enough, Neal Stephenson appears on a speely screen in the Anathem Trailer, watched by Fraa Erasmas. We can therefore assume that a version of him exists in the Arbre world as well, possibly making him an Incanter.
Neal Stephenson in the Anathem Trailer.