- Script
- Gerry Conway; Paul Levitz (plot assist)
- Pencils
- Ric Estrada
- Inks
- Wally Wood; A. L. Sirois
- Letters
- ?
- Genre
- super-héros (superhero)
- Characters
- Justice Society of America [The Flash [Jay Garrick]; Hawkman [Carter Hall]; Dr. Mid-Nite; Wildcat [Ted Grant]; Dr. Fate; Green Lantern [Alan Scott]; Hourman [Rex Tyler] (cameo, flashback)]; Star-Spangled Kid; Robin (Earth-2); Power Girl (intro)]; Brain Wave (villain, as Brainwave); Green Lantern [Hal Jordan] (cameo, flashback); Green Arrow (Earth-1, cameo, flashback)
- Reprints
Les 2 histoires originales sont réunies en un seul récit. [The 2 original stories are merged into a single one.]