== Another source == 

 {{citation |title=R.I.P. Gene Colan, comic-book artist  |url=http://www.avclub.com/articles/rip-gene-colan-comicbook-artist,58090/ |publisher=The A.V. Club |date=June 24, 2011 |last=Heller |first=Jason }}.  Good, though short, career overview.  ' (')