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Edmond Hamilton

DC Dec 1955

Detective Comics #226

Detective Comics #226
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2nd appearance and origin of Martian Manhunter
Batman reveals that he operated under the Robin moniker when he was a boy
1st appearance of Harvey Harris, an early mentor of Bruce Wayne
DC Jan 1963

Superman #158

Superman #158
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$30
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1st appearance of Than-Ol, Kryptonian scientist
Superman disguises himself as Nightwing and Jimmy Olsen as Flamebird

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