Impossible figures, strings and fractals: where art meets math

Despite this book’s impressively wide coverage, I noticed a few omissions that would have added to the cultural theme. The material on impossible figures wrongly attributes their invention to the Penroses, whereas the originator was the Swedish artist Oscar Reutersvärd, who created the impossible triangle in 1934 and subsequently drew many impossible pictures. Henry Moore’s stringed figures had a deeper history that went back to Gaspard Monge’s curves and the beautiful str