Question: Who created this art?
About the article "The Persistence of Memory", section "Description".

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Paintings created at Lascaux. 
Islamic graffiti is a genre of graffiti created by Islamic people or by people who are inspired by the religion.
Containing Islamic themes, this type of art is created in a variety of forms.
The most common languages used are English and Arabic.
Like all other forms of art, graffiti can be used as a medium for instigating political or social change, or as a form of self-expression. 
Street art is an umbrella term defining forms of visual art created in public locations, usually unsanctioned artwork executed outside of the context of traditional art venues.
The term gained popularity during the graffiti art boom of the early 1980s and continues to be applied to subsequent incarnations.
Stencil graffiti, wheatpasted poster art or sticker art, and street installation or sculpture are common forms of modern street art.
Video projection, yarn bombing and Lock On sculpture became popularized at the turn of the 21st century.
The terms "urban art", "guerrilla art", "post-graffiti" and "neo-graffiti" are also sometimes used when referring to artwork created in these contexts.
Traditional spray-painted graffiti artwork itself is often included in this category, excluding territorial graffiti or pure vandalism.
Artists who choose the streets as their gallery are often doing so from a preference to communicate directly with the public at large, free from perceived confines of the formal art world.
Street artists sometimes present socially relevant content infused with esthetic value, to attract attention to a cause or as a form of "art provocation".
Street artists often travel between countries to spread their designs.
Some artists have gained cult-followings, media and art world attention, and have gone on to work commercially in the styles which made their work known on the streets. 
While pursuing her numerous passions, Susan Olsen has continually turned to art as a creative outlet.
Olsen's art collection, called "Fluffart," has been curated into a collection made available in limited editions.
As an animal welfare advocate, Olsen has also created a collection of art entitled "The Art of Rescue," with proceeds assisting animals in rescue organizations until they are able to be adopted.
In July, 2012, Susan Olsen was one of a limited number of artists invited to show in "Art with an Agenda: An Exhibit Inspired by Kelly Thomas" at the PAS Gallery in Fullerton, California.
All the art on display was inspired by the life and circumstances surrounding the death of Kelly Thomas, a homeless, schizophrenic, 37-year-old man who was brutally beaten by members of the Fullerton Police Department on July 5, 2011.
Olsen's piece created for this exhibit was titled "Still Life," and received critical praise, furthering Olsen's career as a relevant and respected contributor in the art world. 
The Sanitary garden is an art exhibition consisting of artworks made from bathroom and toilet items such as lavatory seats and ballcocks.
Kala Sagar (Hindi word which means Ocean of Art) is the unique government museum where world’s largest collection of art created purely from damaged, discarded or waste sanitary ware items is exhibited.
The whole collection of art pieces are created by only one artist Mr. Vijay Pal Goel (Age 50 years) who is creating this unique art since 1994 and is a non government employee.KALA SAGAR is situated in the sector 36-D, Chandigarh UT, INDIA.
The main objective of the artist behind this unique art is to generate mass awareness for reuse of waste materials for environment protection, treatment of the special children and established a tourist place for the special people such as mentally challenged people, visually impaired and physically handicapped.
This art is created by Mr. Vijay Pal Goel (Age 50 years).
He was a private sanitary contractor.
In the year 1994, an idea struck his mind and He started collecting waste sanitary material and converted it into marvelous art pieces.
He is an uneducated person.
He also never learned art making from any school, college or from any teacher.
The distinctiveness of the art is that whole collection of art pieces are shaped and created only from sanitary waste item.
The sanitary waste items means discarded and damaged sanitary products used in bathroom, kitchen and public health such as water storage tanks, pipes, tapes, fountains, chinaware etc.
All the art pieces are created without using melting, molding, cementation, and carving techniques.
This feature of the art makes it different from all other kind of art forms in the world.
The art pieces are created by arranging and assembling the different sanitary waste pieces and giving it a desired shape.
For example: Airplanes, train, animal figures, telephones, human statues etc.
The size of the art pieces varies from 0.5 inch to 20 feet and depends upon of availability of the waste material.
Presently the numbers of art pieces are around 300.
The other important fact of this art is that, this is the first kind of art form which is completely eco-friendly.
Nothing gets wasted in teaching and creating this form of art.
Here “nothing” means nothing.
Every thing used in this art is only waste and discarded material.
The same components of one art pieces can be easily converted into other and then again dismantled into the components.