BLACK SPHERES	BIOGRAPHY
Created by Gardner Fox and Mike Sekowsky

SPECIES DATA

Homeworld: Unknown
Space Sector: Unidentified
Physical characteristics:
First Appearance: Justice League of America #55 (August 1967): "The Super-Crisis That Struck Earth-Two!"
Creators: Gardner Fox and Mike Sekowsky

CHRONOLOGY

For a definitive list of appearances of the Black Spheres in chronological order click here