POWERSTONE	BIOGRAPHY
Created by Jerry Siegel and John Sikela

TECHNICAL DATA

Name: Powerstone
DCU Creator(s): Unrevealed
First Appearance: (historical): Superman Vol. 1 #17 (April 1942)
(canonical): All-Star Squadron #21 (May 1983)
Creators: Jerry Siegel and John Sikela

CHRONOLOGY

For a definitive list of appearances of Powerstone in chronological order click here