Denny O’Neil worked with Neal Adams on the key 1970s revamps of Green Lantern/Green Arrow, Superman and Batman. The were both working for Julius Schwartz who had, since the 1950s, been DC’s go to editor for revamps. Schwartz was also the Justice League of America editor and he assigned O’Neil to be the League’s second writer after Gardner Fox left. In this video from the Comics Archive O’Neil talks about meeting Schwartz for the first time and in the public reaction to his Green Lantern/Green Arrow work.
[via: Forbidden Planet Blog]