DC · March, 1963
1st Appearance of Chloropyll Kid; 1st Appearance of Fire-lad; 1st Appearance of Night Girl; 1st Appearance of Polar Boy; 1st Appearance of Stone Boy
The 5th Dimensional High-School; Legion of Super-Heroes: The Legion of Substitute Heroes
Writers: Edmond Hamilton, Mort Weisinger
Artists: George Papp, John Forte