In just over a week, Superman flies back to the big screen, and we're celebrating all month long with one of his biggest radio adventures - one that pits him against a Kryptonite-powered Nazi Atom Man! Today, we'll hear the opening chapters of this epic story (originally aired on Mutual between September 24 and October 5, 1945), as Superman retells his origin and the existence of Kryptonite is discovered by the Man of Steel's enemies!