Author hammered out zinc sheet (9)

I believe the answer is:

nietzsche

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'author hammered' is the definition.
I can't judge whether this definition defines the answer.

'out zinc sheet' is the wordplay.
'out' indicates anagramming the letters.
'zinc'+'sheet'='zincsheet'
'zincsheet' is an anagram of 'NIETZSCHE'.

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(Other definitions for nietzsche that I've seen before include "19th century German philosopher who divided mankind into master class and herd" , "German philosopher, wrote Beyond Good and Evil" , "German philosopher, d. 1900, noted for his concept of superman" , "Influential German existentialist philosopher" , "Friedrich -, nineteenth century German philosopher" .)

I've seen this clue in the Sydney Morning Herald.

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