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| Publisher |
DC |
| Series |
Challengers of the Unknown |
| Published | June 1970 |
| Writer |
Dave Wood |
| Writer |
Jack Kirby |
| Artist |
Jack Kirby |
| Cover Artist |
Jack Kirby |
| Artist |
George Tuska |
| Cover Artist |
George Tuska |
| Inker |
Marvin Stein |
| Inker |
Rosalind Kirby |
| Letterer |
Raymond Holloway |
| Letterer |
Stan Starkman |
Ultivac Is Loose! from Showcase #7