Green Lantern #30 is a vintage comic book from 1964 featuring the first appearance of the character in "The Tunnel Through Time!" storyline. The comic is a single issue in English language and belongs to the Silver Age era of US Comics. It was written by John Broome and illustrated by Gil Kane and Sid Greene. The cover art was also done by Gil Kane and Murphy Anderson. The comic is part of the Green Lantern series set in the DC Universe and is intended for a general audience.