Actually... the best profits that I've ever been amazed by are comic book writers. To think of the cloning, lasers, warfare and space travel when they did... only to see it come to life decades later.
They come out with some pretty wild crap but sometimes they are spot on.
Hell, a Duck Tales comic had an issue where the brothers raised a sunken ship by filling it with ping pong balls.
Years later, it was done in real life!!
http://www.iusmentis.com/patents/priorart/donaldduck/