J. G. Farrell and Tim Powers both released works in what same media, but different genre?
J. G. Farrell James Gordon Farrell (25 January 1935 – 11 August 1979) was a Liverpool-born novelist of Irish descent. He gained prominence for a series of novels known as the "Empire Trilogy" ("Troubles", "The Siege of Krishnapur" and "The Singapore Grip"), which deal with the political and human consequences of British colonial rule.
J. Scott Campbell Jeffery Scott Campbell (born April 12, 1973) is an American comic book artist. He was initially known professionally as Jeffery Scott, but is best known as J. Scott Campbell. He rose to fame as an artist for Wildstorm Comics, though he has since done work for Marvel Comics (most notably as a cover artist on "The Amazing Spider-Man"), and the video game industry.