Kuttner and Moore, on the advice of the editor, had begun to collaborate, working in shifts under the name Lewis Padgett. Their run culminated in “Mimsy Were the Borogoves” and “When the Bough Breaks,” two extraordinary stories with an unusual interest in marriage and the inner lives of children. It was an enormously promising line of development, but Campbell never followed up on it, in part because it seemed unrelated to the war. Yet no one else did so much to carry Astounding after Pearl Harbor.
