- Script
- Jack Kirby ?; Joe Simon ?
- Pencils
- Jack Kirby
- Inks
- Joe Simon
- Colors
- ?
- Letters
- ?
- Genre
- superhero
- Characters
- Fighting American [Johnny Flagg; Nelson Flagg]; Speedboy [Dan Sprite]; Invisible Irving (first appearance; villain); Freddy Fowlup
- Synopsis
- Invisible Irving escapes from Alcatraz and sets up a racket brainwashing people and getting them to steal from their employers.
- Reprints
- Keywords
- Alcatraz prison; invisibility
Story swiped from Starman story in Adventure Comics #77, per Harry Mendryk's blog at the Kirby Museum.