Superboy and the Legion of Super-Heroes (1977-) #235

The Legion subject Superboy to a medical treatment that is really a "hypno-block" that prevents him from retaining information about an extended life serum and from wondering why his teammates age so slowly.

Written By:
Paul Levitz, Gerry Conway, Jay Zilber
Pencils:
Mike Grell, Win Mortimer, George Tuska
Inks:
Vince Colletta, Win Mortimer
Cover By:
Mike Grell