- Script
- Roy Thomas (credited)
- Pencils
- Werner Roth (credited as Jay Gavin)
- Inks
- Dick Ayers (credited)
- Colors
- ?
- Letters
- Artie Simek (credited)
- First Line of Dialogue or Text
- A bank robbery itself is a somewhat unusual event!
- Genre
- superhero
- Characters
- X-Men: Angel [Warren Worthington III]; Beast [Hank McCoy]; Cyclops [Scott Summers]; Iceman [Bobby Drake]; Marvel Girl [Jean Grey]; Professor X [Charles Xavier] (also in flashback)
Blob [Frederick Dukes] (villain) (villain, also in flashback); Lucifer (villain, also in flashback); Supreme One (villain, first appearance, also in flashback); Unus [Gunther Bain] (villain, also in flashback); Mr. Philbert; Mabel; Herman
- Universe
- Marvel : mainstream
- Reprints
- in Fantastic! (IPC, 1967 series) #38 (4 November 1967) [Black and white. Reprints pages 1-12.], #39 (11 November 1967) [Black and white. Reprints pages 13-20. 'New' splash page.]
- in The X-Men (Marvel, 1963 series) #71 (August 1971)
- in Strange (Editions Lug, 1970 series) #20 (5 août 1971)
- in X-Mannen Classics (Classics/Williams, 1971 series) #20 (1973)
- in Hit Comics X-Menschen (BSV - Williams, 1971 series) #220
- in The X-Men Here Comes... Daredevil The Mighty Thor (Newton Comics, 1975 ? series) ([1975])
- in Spidey (Editions Lug, 1979 series) #36 (10 janvier 1983)
- in The Marvel Saga the Official History of the Marvel Universe (Marvel, 1985 series) #4 (March 1986)
which is reprinted- in Marvel Masterworks (Marvel, 1987 series) #7 ([November] 1988)
- in Marvel Special (Marvel Italia, 1994 series) #8 (Agosto 1996)
- in Essential Uncanny X-Men (Marvel, 1999 series) #1 (September 1999) [black and white], #1 [Third Printing] (2003) [black and white]
- in The X-Men Omnibus (Marvel, 2009 series) #1 ([April] 2009)
- in X-Men Epic Collection (Marvel, 2014 series) #1 - Children of the Atom (2014)
Story of how Prof. X lost the use of legs. Continued in X-Men (Marvel, 1963 series) #21.
- Script
- Roy Thomas
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
- Reprints
Letters from: Peter Gaspari, Jerry Rankin, Dick Glass, Guy Lillian III, Dean Miner, F.R. Chase, Nick Francesco, Frank F. Brunner (future comics artist), Doug Jones, and Gary Colabuno; M.M.M.S. membership form.