Astounding tended to be more serious and have more real science in it (although editor John W. Campbell was also obsessed with sci-powers) and Bradbury was one of the few significant figures of that era who never published in Analog,
I called it "Analog" the second time. I meant "Astounding." They changed the name later.
"Rene Lafayette," on the cover of the April '49 Astounding, is Lafayette Ronald Hubbard.