grailworth

Prof Haley (from Challengers of the Unknown)

51 appearances · First published 1957

Prof Haley (from Challengers of the Unknown) appears in 51 issues in grailworth's catalog, and was first published in 1957. First appearance: Showcase #6 (1956), cover dated 1957. Key issues with Prof Haley include Crisis on Infinite Earths #8 (1985).

First appearance

Key issues

Origin

Every appearance we value

Solo (2004) 1 issue

Character appearances from the Grand Comics Database, CC BY-SA 4.0.