“In the January, 1933 issue of "SCIENCE FICTION" appeared a story I had written in 1932 entitled, "The Reign of the Superman." I used the pseudonym "Herbert S. Fine" which combined the name of a cousin of mine together with my mother's maiden name.
After the publication of "Reign of the Superman", it occurred to me that a different version of Superman could be the basis of an extremely powerful and successful comic book. And so I originated, together with Joe Shuster, the comic book "THE SUPERMAN", back in 1933.”
"Happy Anniversary, Superman!" http://theages.superman.ws/siegel.php (1983)
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Jerry Siegel 7
American co-creator of Superman 1914–1996Related quotes
“Bird Bones and Wood Ash”, p. 169
The Ivory and the Horn (1996)
Context: I had the same questions for Superman as I did for God: If he was so powerful, why didn’t he deal with some real problems? Why didn’t he stop wars, feed the starving in Ethiopia, cure cancer? At least God had the Church to do His PR work for Him — if you can buy their reasoning, they have any number of explanations ranging from how the troubles of this life build character to that inarguable catchall, “God’s will.” And the crap in this life sure makes heaven look good.
When I was growing up, the writers and artists of Superman never even tried to deal with the problem. And since they didn’t, I could only see Superman as a monster, not a hero. I couldn’t believe his battles with criminals, superpowered geniuses and the like.
I never believed in God either.

Interview http://www.locusmag.com/1997/Issues/03/Brin.html in Locus (March 1997)

"Science Fiction, 1938" Nebula Winners 14 (1980) edited by Frederick J. Pohl, p. 97
General sources

Source: The Riverworld series, The Dark Design (1977), Ch. 31

“Superman is nothing more than a popular retelling of the Christ story, or Greek mythology.”
Caught in the Act : New York Actors Face to Face (1986) by Don Shewey and Susan Shacter, p. 18
Context: Superman is nothing more than a popular retelling of the Christ story, or Greek mythology. It's an archetype, watered down and made in vivid colors for twelve-year-old's mentality. It's pop mythology, which extends to the actor, then seeps over to a demand that that actor reflect the needs of the worshipers. The worship doesn't only go on in the temples — it goes on in the streets, and restaurants, in magazines. But, you know, I'm from New Jersey, I'm not from Olympus or Krypton, so back off 'cause I can't take the responsibility.

As quoted in Celebrities in Hell (2002) by Warren Allen Smith, p. 98

From the BBC2 show The Culture Show (9 March 2006) (separate quotes shown; edited together for the segment of the show)