A pen name for an author, e.g. Leo Growler, perhaps (6,6)

I believe the answer is:

george orwell

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'a pen name for an author' is the definition.
I can't tell whether this defines the answer.

'e g leo growler perhaps' is the wordplay.
'perhaps' indicates anagramming the letters.
'e'+'g'+'leo'+'growler'='egleogrowler'
'egleogrowler' anagrammed gives 'GEORGE ORWELL'.

Can you help me to learn more?

(Another definition for george orwell that I've seen is " "Animal Farm" author".)

I've seen this clue in The Irish Independent.

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