- Script
- Jack Kirby (credited)
- Pencils
- Jack Kirby (credited)
- Inks
- Mike Royer (credited)
- Colors
- Petra Goldberg (credited as Petra G.)
- Letters
- Mike Royer (credited)
- Genre
- science fiction; superhero
- Characters
- Mister Machine [Aaron Stack] (first appearance); Monolith; Doctor Broadhurst; Haines; X-35; Doctor Stack; Colonel Kragg
- Synopsis
- Doctor Stack treated a robot man with respect and treated him as a son, but when the military decided to end the project, Doctor Stack gave his life to see that the robot survived.
- Reprints
First Mister Machine, later Machine Man
- Script
- ?
- Letters
- typeset
Includes letters from Scott Loy, Jim Golds, Paul Sefano and Bob Lackey.