Maurits Cornelis Escher (1898-1972) is one of the world’s most famous graphic artists. His art is enjoyed by millions of people all over the world, as can be seen on the many web sites on the internet.

He is most famous for his so-called impossible constructions, such as Ascending and Descending,Relativity, his Transformation Prints, such asMetamorphosis I, Metamorphosis II andMetamorphosis III, Sky & Water I or Reptiles.

But he also made some wonderful, more realistic work during the time he lived and traveled in Italy.

Castrovalva for example, where one already can see Escher’s fascination for high and low, close by and far away. The lithograph Atrani, a small town on the Amalfi Coast was made in 1931, but comes back for example, in his masterpiece Metamorphosis I and II.

M.C. Escher, during his lifetime, made 448 lithographs, woodcuts and wood engravings and over 2000 drawings and sketches. Like some of his famous predecessors, – Michelangelo, Leonardo da Vinci, Dürer and Holbein-, M.C. Escher was left-handed.

Apart from being a graphic artist, M.C. Escher illustrated books, designed tapestries, postage stamps and murals. He was born in Leeuwarden, the Netherlands, as the fourth and youngest son of a civil engineer. After 5 years the family moved to Arnhem where Escher spent most of his youth. After failing his high school exams, Maurits ultimately was enrolled in the School for Architecture and Decorative Arts in Haarlem.

After only one week, he informed his father that he would rather study graphic art instead of architecture, as he had shown his drawings and linoleum cuts to his graphic teacher Samuel Jessurun de Mesquita, who encouraged him to continue with graphic arts.

After finishing school, he traveled extensively through Italy, where he met his wife Jetta Umiker, whom he married in 1924. They settled in Rome, where they stayed until 1935. During these 11 years, Escher would travel each year throughout Italy, drawing and sketching for the various prints he would make when he returned home.

Many of these sketches he would later use for various other lithographs and/or woodcuts and wood engravings, for example the background in the lithograph Waterfall stems from his Italian period, or the trees reflecting in the woodcut Puddle, which are the same trees Escher used in his woodcut “Pineta of Calvi“, which he made in 1932.

M.C. Escher became fascinated by the regular Division of the Plane, when he first visited the Alhambra, a fourteen century Moorish castle in Granada, Spain in 1922.

During the years in Switzerland and throughout the Second World War, he vigorously pursued his hobby, by drawing 62 of the total of 137 Regular Division Drawings he would make in his lifetime.

He would extend his passion for the Regular Division of the Plane, by using some of his drawings as the basis for yet another hobby, carving beech wood spheres.

He played with architecture, perspective and impossible spaces. His art continues to amaze and wonder millions of people all over the world. In his work we recognize his keen observation of the world around us and the expressions of his own fantasies. M.C. Escher shows us that reality is wondrous, comprehensible and fascinating.

### Adventure Art

Murits Cornelis Escher created unique and fascinating works of art that explore and exhibit a wide range of mathematical ideas.

He was born in Leeuwarden, Holland in 1898, and when he was in school his family planned for him to follow his father’s career of architecture. However, poor grades and an aptitude for drawing and design eventually led him to a career in the graphic arts, specializing in woodcuts, mezzotints, and lithographs.

His work went almost unnoticed until the 1950’s, but by 1956 he had given his first important exhibition, was written up in *Time* magazine, and acquired a world-wide reputation. Among his greatest admirers were mathematicians, who recognized in his work an extraordinary visualization of mathematical principles. This was the more remarkable in that Escher had no formal mathematics training beyond secondary school.

His work eventually appeared not only in printed form, but as commissioned or imitative sculptures on public buildings, as decorations on everything from neckties to mousepads, and in software written to automate the reproduction and manipulation of tesselations. Reproductions of his work remain in strong demand, and he has inspired thousands of other artists to pursue mathematical themes in their own work. He is of course also much imitated.

As his work developed he drew great inspiration from the mathematical ideas he read about, often working directly from structures in plane and projective geometry, and eventually capturing the essence of non-Euclidean geometries, as we will see below. He was also fascinated with paradox and “impossible” figures, and used an idea of Roger Penrose’s to develop many intriguing works of art. Thus, for the student of mathematics, Escher’s work encompasses two broad areas: the geometry of space, and what we may call the *logic* of space.

Regular divisions of the plane, called *tessellations,* are arrangements of closed shapes that completely cover the plane without overlapping and without leaving gaps. Typically, the shapes making up a tessellation are polygons or similar regular shapes, such as the square tiles often used on floors. Escher, however, was fascinated by every kind of tessellation—regular and irregular—and took special delight in what he called “metamorphoses,” in which the shapes changed and interacted with each other, and sometimes even broke free of the plane itself.

His interest began in 1936, when he traveled to Spain and viewed the tile patterns used in the Alhambra. He spent many days sketching these tilings, and later claimed that this “was the richest source of inspiration that I have ever tapped.” In 1957 he wrote an essay on tessellations, in which he remarked:

In mathematical quarters, the regular division of the plane has been considered theoretically…Does this mean that it is an exclusively mathematical question? In my opinion, it does not.

[Mathematicians] have opened the gate leading to an extensive domain, but they have not entered this domain themselves. By their very nature thay are more interested in the way in which the gate is opened than in the garden lying behind it.

Whether or not this is fair to the mathematicians, it is true that they had shown that of all the regular polygons, only the triangle, square, and hexagon can be used for a tessellation. (Many more *irregular* polygons tile the plane—in particular there are many tessellations using irregular pentagons.)

Escher exploited these basic patterns in his tessellations, applying what geometers would call *reflections, glide reflections, translations,* and*rotations* to obtain a greater variety of patterns. He also elaborated these patterns by distorting the basic shapes to render them into animals, birds, and other figures. These distortions had to obey the three, four, or six-fold symmetry of the underlying pattern in order to preserve the tessellation. The effect can be both startling and beautiful.

The first of the examples presented here, titled *Regular Division of the Plane with Birds*, uses a tesselation with triangles. (To see an overlay of the triangle pattern, click on the thumbnail image to expand the large version, and then hover over it with the mouse pointer.)

The second example, *Development I*, uses a square tesselation. To emphasize the nature of the underlying pattern, Escher allows us to trace the developing distortions of the tesselation that lead to the pattern at the center.

The last two examples each use a hexagonal tesselation. In the first,*Cycle*, the running figures emerge from an orderly world to descend into a topsy-turvey chaos, but this chaos itself gives rise to the very order from which the figures emerge. In the final example, *Reptiles*. the tessellating creatures playfully escape from the prison of two dimensions and go snorting about the destop, only to collapse back into the pattern again. Escher used this reptile pattern in many hexagonal tessellations.

There are a number of software applications that make it easy to explore Escher-esque tesselation designs, and you can find them easily using your browser search engine.

The regular solids, known as polyhedra, held a special fascination for Escher. He made them the subject of many of his works and included them as secondary elements in a great many more.

There are only five polyhedra with exactly similar polygonal faces, and they are called the Platonic solids: the tetrahedron, with four triangular faces; the cube, with six square faces; the octahedron, with eight triangular faces; the dodecahedron, with twelve pentagonal faces; and the icosahedron, with twenty triangular faces.

In the woodcut *Four Regular Solids*Escher has intersected all but one of the Platonic solids in such a way that their symmetries are aligned, and he has made them translucent so that each is discernable through the others. Which one is missing?

There are many interesting solids that may be obtained from the Platonic solids by intersecting them or stellating them. To *stellate* a solid means to replace each of its faces with a pyramid, that is, with a pointed solid having triangular faces; this transforms the polyhedron into a pointed, three-dimensional star. A beautiful example of a stellated dodecahedron may be found in Escher’s *Contrast (Order and Chaos).* Here the stellated figure rests within a crystalline sphere, and the austere beauty of the construction contrasts with the disordered flotsam of other items resting on the table. Notice that the source of light for the composition may be guessed, for the bright window above and to the left of the viewer is reflected in the sphere.

Intersecting solids are also represented in many of Escher’s works, one of the most interesting being the wood engraving *Stars.* Here are solids constructed of intersecting octahedra, tetrahedra, and cubes, among many others. One might pause to consider, that if Escher had simply drawn a bunch of mathematical shapes and left it at that, we probably would never have heard of him or of his work. Instead, by such devices as placing the chameleons inside the polyhedron to mock and alarm us, Escher jars us out of our comfortable perceptual habits and challenges us to look with fresh eyes upon the things he has wrought. Surely this is another source of the mathematicians’ admiration for Escher’s work—for just such a perceptual *freshness* lies at the back of all great mathematical discovery.

Among the most important of Escher’s works from a mathematical point of view are those dealing with the nature of space itself. His woodcut *Three Intersecting Planes*is a good place to begin a review of these works, for it exemplifies the artist’s concern with the dimensionality of space, and with the mind’s ability to discern three-dimensionality in a two-dimensional representation. As we will see in the next section, Escher often exploited this latter feature to achieve astonishing visual effects.

Inspired by a drawing in a book by the mathematician H.S.M Coxeter, Escher created many beautiful representations of hyperbolic space, as in the woodcut *Circle Limit III.* This is one of the two kinds of non-Euclidean space, and the model represented in Escher’s work is actually due to the French mathematician Poincaré.

To get a sense of what this space is like, imagine that you are actually *in* the picture itself. As you walk from the center of the picture towards its edge, you will shrink just as the fishes in the picture do, so that to actually reach the edge you have to walk a distance that, to you, seems infinite. Indeed, to you, being inside this hyperbolic space, it would not be immediately obvious that anything was unusual about it—after all, you have to walk an infinite distance to get to the edge of ordinary Euclidean space too. However, if you were a careful observer you might begin to notice some odd things, such as that all similar triangles were the same size, and that no straight-sided figure you could draw would have four right angles—that is, this space doesn’t have any squares or rectangles. A strange place indeed!

Even more unusual is the space suggested by the woodcut *Snakes.* Here the space heads off to infinity both towards the rim and towards the center of the circle, as suggested by the shrinking, interlocking rings. If you occupied this sort of a space, what would it be like? Not only can you not reach the edge of this space, you can’t reach the middle…

In addition to Euclidean and non-Euclidean geometries, Escher was very interested in visual aspects of Topology, a branch of mathematics just coming into full flower during his lifetime. Topology concerns itself with those properties of a space which are unchanged by distortions which may stretch or bend it—but which do not tear or puncture it—and topologists were busy showing the world many strange objects. The Möbius strip is perhaps the prime example, and Escher made many representations of it. It has the curious property that it has only one side, and one edge. Thus, if you trace the path of the ants in *Möbius Strip II,*you will discover that they are not walking on opposite sides of the strip at all—they are all walking on the same side. It is easy to make a Möbius strip; just cut a strip of paper with scissors, give it a half-twist, and then glue or tape the ends. What do you predict will happen if you attempt to cut such a strip in two, lengthwise?

Another very remarkable lithograph, called *Print Gallery,*explores both the logic and the topology of space. Here a young man in an art gallery is looking at a print of a seaside town with a shop along the docks, and in the shop is an art gallery, with a young man looking at a print of a seaside town… but wait! What’s happened?

All of Escher’s works reward a prolonged stare, but this one does especially. Somehow, Escher has turned space back into itself, so that the young man is both inside the picture and outside of it simultaneously. The secret of its making can be rendered somewhat less obscure by examining the grid-paper sketch the artist made in preparation for this lithograph. Note how the scale of the grid grows continuously in a clockwise direction. And note especially what this trick entails: A hole in the middle. A mathematician would call this a*singularity*, a place where the fabric of the space no longer holds together. There is just no way to knit this bizarre space into a seamless whole, and Escher, rather than try to obscure it in some way, has put his trademark initials smack in the center of it.

By the “logic” of space we mean those spatial relations among physical objects which are *necessary*, and which when violated result in visual paradoxes, sometimes called optical illusions. All artists are concerned with the logic of space, and many have explored its rules quite deliberately. Picasso, for instance.

Escher understood that the geometry of space determines its logic, and likewise the logic of space often determines its geometry. One of the features of the logic of space which he often applied is the play of light and shadow on concave and convex objects. In the lithograph *Cube with Ribbons,*the bumps on the bands are our visual clue to how they are intertwined with the cube. However, if we are to believe our eyes, then we cannot believe the ribbons!

Another of Escher’s chief concerns was with perspective. In any perspective drawing, vanishing points are chosen which represent for the eye the “point(s) at inifinity.” It was the study of perspective and points at infinity by Alberti, Desargues, and others during the renaissance that led directly to the modern field of projective geometry.

By introducing unusual vanishing points and forcing elements of a composition to obey them, Escher was able to render scenes in which the “up/down” and “left/right” orientations of its elements shift, depending on how the viewer’s eye takes it in. In his perspective study for *High and Low,* the artist has placed five vanishing points: top left and right, bottom left and right, and center. The result is that in the bottom half of the composition the viewer is looking up, but in the top half he or she is looking down. To emphasize what he has accomplished, Escher has made the top and bottom halves depictions of the same composition.

A third type of “impossible drawing” relies on the brain’s insistence upon using visual clues to construct a three-dimensional object from a two-dimensional representation, and Escher created many works which address this type of anomaly.

Our final consideration of Escher’s art involves its relationship to the fields of information science and artificial intelligence. This aspect of his work has been largely overlooked in previous studies, but the case for its importance to these fields was forcefully made by Douglas R. Hofstadter in his 1980 Pulitzer Prize winning book, *Gödel, Escher, Bach: An Eternal Golden Braid.*

A central concept Escher captured is that of self-reference, which many believe lies near the heart of the enigma of consciousness—and the brain’s ability to process information in a way that no computer has yet mimicked successfully.

The lithograph *Drawing Hands* and the woodcut *Fish and Scales* each captures this idea in a different way. In the former the self-reference is direct and conceptual; the hands draw themselves much the way that consciousness considers and constructs itself, mysteriously, with both self and self-reference inseparable and coequal. In *Fish and Scales,* on the other hand, the self-reference is more functional; one might rather call it self-resemblence. In this way the woodcut describes not only fish but all organisms, for although we are not built, at least physically, from small copies of ourselves, in an information-theoretic sense we are indeed built in just such a way, for every cell of our bodies carries the complete information describing the entire creature, in the form of DNA.

On a deeper level, self-reference is found in the way our worlds of perception reflect and intersect one another. We are each like a character in a book who is reading his or her own story, or like a picture of a mirror reflecting its own landscape. Many of Escher’s works exhibit this theme of intersecting worlds, but we will here consider only one of the exemplars. As is common in Escher’s treatment of this idea, the lithograph *Three Spheres II* makes use of the reflective properties of a spherical mirror. Here, as Hofstatder noted, “every part of the world seems to contain, and be contained in, every other part….” The spheres relfect one another, the artist, the room in which he works, and the paper upon which he draws the spheres.

And so we end where we began, with a self portrait: the work a reflection of the artist, the artist reflected in his work.

### Conclusion

We have here considered only a handful among the hundreds of drawings, lithographs, woodcuts, and mezzotints Escher left to us upon his death in 1972. Much more could be said, and has been said, about the depth, meaning, and importance of his work. The reader is encouraged to explore further the rich legacy of M.C. Escher, and to ponder anew the intersections he has drawn for us among the world of imagination, the world of mathematics, and the world of our waking life.

Source: http://platonicrealms.com/minitexts/Mathematical-Art-Of-M-C-Escher/[/fusion_builder_column][/fusion_builder_row][/fusion_builder_container]

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