- Script
- Stan Lee; ? (see notes)
- Pencils
- Jack Kirby; Carmine Infantino (see notes)
- Inks
- Paul Reinman; Al Milgrom ?
- Colors
- ?
- Letters
- Sam Rosen; Irv Watanabe
- Editing
- Stan Lee (original editor)
- Genre
- superhero
- Characters
- Vanisher; X-Men; Professor X
- Reprints
Per Danny Fingeroth in Back Issue # 86, February 2016, Infantino penciled the new splash page art. Possible Milgrom inks per Nick Caputo.
- Script
- Roy Thomas
- Pencils
- Werner Roth
- Inks
- John Verpoorten
- Colors
- ?
- Letters
- Sam Rosen
- Editing
- Stan Lee (original editor)
- Genre
- superhero
- Characters
- Jack O'Diamonds; Scott Summers; Professor X
- Reprints
Origin of Cyclops part 3.