When did Earth One Clark First learn he’s from Krypton?

I’ve been reading a lot of superboy stories lately, and it got me thinking- when did Clark first learn he was an alien? When did he first learn he’s from Krypton, and that his name is Kal-El? Which were the issues? I’m pretty sure he already knew all this before the memory ray probe was introduced.

Thanks in advanced super scholars.

statistics: Posted by DetectiveStrange — 2:33 PM - 1 day ago — Replies 2 — Views 158

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