I noticed in Green Lantern #13 that Waller, and President Barack Obama, are aware of the identities of Hal, John, and Guy (but not Kyle, who wears a decent sized mask). While this is a New 52 book, I'm curious: was Hal Jordan's identity public knowledge pre-New 52? In GLC #1, Guy and John discuss the thought of having started their career with masked faces. I assumed the purpose of the mask was to prevent such discoveries on Hal and Kyle's parts. If so, when was Hal's secret identity ever revealed pre-New 52?