- Script:
- Gardner Fox
- Pencils:
- Gil Kane
- Inks:
- Sid Greene
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- The Atom [Ray Palmer]; Chronos (villain); Anton Teljas; Eva Teljas; Mrs. Ophelia Templeton
- Reprints:
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
Placed between pages 4 and 5 of sequence 1.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
Placed between pages 10 and 11 of sequence 1.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
- Characters:
- AMT Kat
- Script:
- Gardner Fox
- Pencils:
- Gil Kane
- Inks:
- Sid Greene
- Colors:
- ?
- Letters:
- ?
- Genre:
- superhero
- Characters:
- The Atom [Ray Palmer]; Jean Loring
- Reprints:
Credits for script, pencils and inks confirmed from Julius Schwartz's editorial records, provided by DC Comics.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
Follows page 2 of sequence 6.
- Script:
- Henry Boltinoff (signed)
- Pencils:
- Henry Boltinoff (signed)
- Inks:
- Henry Boltinoff (signed)
- Colors:
- ?
- Letters:
- ?
- Genre:
- fact
Follows sequence 7, followed by page 3 of sequence 6.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Colors:
- ?
- Letters:
- ?
Follows page 7 of sequence 6.
- Script:
- Julius Schwartz [as The Editor]
- Letters:
- Typeset
Letters of comment from readers James Flanagan, Alan Trahern, Steve Massar, Irene Vartanoff and Dave Cockrum, with replies from Schwartz.
- Script:
- ?
- Pencils:
- ?
- Inks:
- ?
- Letters:
- ?
- Characters:
- Andy; George
Inside back cover.