Gil Kane was a Latvian-born American comics artist whose career spanned the 1940s to the 1990s and virtually every major comics company and character.
Kane at the 1976 San Diego Comic-Con
Original 1971 Bantam paperback Blackmark, an early example of the graphic novel.
Hal Jordan, one of the characters known as Green Lantern, is a superhero appearing in American comic books published by DC Comics. The character was created in 1959 by writer John Broome and artist Gil Kane, and first appeared in Showcase #22. Hal Jordan is a reinvention of the previous Green Lantern who appeared in 1940s comic books as the character Alan Scott.
Three panels ushering in the O'Neil/Adams run in Green Lantern #76.