- Script
- Cary Bates (credited)
- Pencils
- Alex Saviuk (credited)
- Inks
- Frank Chiaramonte (credited as F. Chiaramonte)
- Colors
- Gene D'Angelo (credited)
- Letters
- Ben Oda (credited)
- Job Number
- J-5930
- Genre
- superhero
- Characters
- Flash [Barry Allen]; Clive Yorkin; Dr. Gilbert Nephron; prison guards; Detective Frank Curtis; Chief Matthew Paulson; common criminals; Iris Allen; Melanie
- Synopsis
- Clive Yorkin escapes from prison after overusing the Nephron Machine and seriously injuring its inventor, and wanders to Barry Allen's house. Meanwhile, Barry is on a drug raid with Frank Curtis and is compelled to detour while returning home, by a psychic's powers.
- Reprints
Origin of Clive Yorkin as a superpowered madman. Continued from The Flash #273; continued in The Flash #275. References The Flash #271-273.
- Script
- Mike W. Barr (credited)
- Pencils
- ?
- Inks
- ?
- Colors
- ?
- Letters
- typeset
- Job Number
- L-267
- Genre
- superhero
- Characters
- Flash [Barry Allen]
Letters regarding Flash #269-270 from Robert A. Buethe, Tad Roy Christiansen, Tony Edwards, and Roger Schoolcraft, with an illustration.