Which writers and artists best expressed the concerns of american culture in the 1950s was there a connection between the rises of pop culture figures like elvis presley and marilyn monroe and the changes in art and writing]?

The emergence of television enable people to have a shared experience regardless of their differences. Because of their exposure to new information through different mediums, people were able to express themselves. They were no longer afraid to show their individuality and thus become non-conformist in society's standards. 

Writers and artists to consider. 

Jack Kerouac - typed his best selling novel on a 75-meter roll of paper. The novel lacked the accepted paragraph and punctuation structure.

Allen Ginsberg - wrote a scathing critique on modern and mechanized civilization in the form of a poem.

Elvis Presley - a white man singing and dancing to "black music".

Jackson Pollock - discarded the norm of using easels in painting. Used different materials to paint his canvases that were laid on the floor.