But if this isn't silver nitrate -- what is it? Good god! It's heroin... pure heroin! 
- — Flash
The Flash #272 is an issue of the series The Flash (Volume 1) with a cover date of April, 1979.
Synopsis for "The Girl With the Master Mind"
After rescuing himself and three others from the Clown's deathtrap, the Flash becomes Barry Allen to witness -- reluctantly -- Dr. Nephron's treatment on a convict, but later finds himself in the psychic grip of a girl called Melanie.
To Be Continued...
Appearing in "The Girl With the Master Mind"
Featured Characters:
Supporting Characters:
- Iris Allen
- Pam (Allen's Police Lab Assistant)
Antagonists:
- Clown
- Dr. Gilbert Nephron
Other Characters:
- Detective Frank Curtis
- Clive Yorkin
- Melanie
- Mayor Bradley
- An Unnamed Governor
- Wilson (President of Consolidated Power)
Locations:
Items:
Vehicles:
Trivia
- In this issue, the speed of sound is listed as 720 MPH, but it is actually 768 MPH.