Georges Seurat painted in a pontillist style. These paintings depict the French enjoying their leisure time in the late 1800's Wikipedia page: http://en.wikipedia.org/wiki/Georges_Seurat
Edward Burra an English painter, draughtsman and printmaker, best known for his depictions of the urban underworld particularly in America. Harlem Life
David Hockney is a British Artist His images of pools give us an insight into the world of the rich and famous in LA. Bigger Splash Website link: http://www.davidhockney.com/
Claes Oldenburg changes the scale of objects and turns the everyday tools of work, rest and play into giant sculptures that often interact with the environment.