POP ART : Art based on modern popular culture and the mass media, especially as a critical or ironic comment on traditional fine art values.

Who: The artists were Edward Hopper, James Gill, Robert Indiana, Jasper Johns, Roy Lichtenstein, Claes Oldenburg, Robert Rauschenberg, Andy Warhol and Tom Wesselmann.

Where: the mid-1950s in Britain and in the late 1950s in the United States 

when:  the 50’s

Examples of pop art:

by Andy warhol 

 

 By Roy Lichtenstein 

 

 By James Gill  

Link to pop art tutorial: http://www.photoshopessentials.com/photo-effects/pop-art/