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Hotness!

Who is this?

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Update: Yes, it’s – apparently – Sean T Ó Ceallaigh, who worked as a librarian, in the Reading Room of the National Library

A rarely seen photo.

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Clue: he’s the most quoted man in Irish poetry (not John Moynes).

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UPDATE: Yes, it’s John O’Leary by Frederick Hollyer (from the V&A collection):

Here‘s another: