The impossible images of 'unique' graphic artist M.C. Escher come to London (All M.C. Escher works © 2015 The M.C. Escher Company-The Netherlands. All rights reserved) ...

Penrose with one of M.C. Escher’s works.Credit ... And almost all of them were in the room with him”. Yet his wife’s depression and the chaotic nature of parenthood baffled him.

The cover of Scientific American magazine in 1977 featured M.C. Escher’s Penrose tiling. Indeed, it was the “playfulness” of Penrose’s approach to mathematics that allowed him to make his ...