Statesman’s howler — most calm in turmoil? (6,8)

I believe the answer is:

thomas cromwell

'statesman's' is the definition.
(Tudor politician)

'howler most calm in turmoil?' is the wordplay.
'in turmoil?' indicates anagramming the letters (I've seen 'in turmoil' mean this (I've seen this in other clues)).
'howler'+'most'+'calm'='howlermostcalm'
'howlermostcalm' anagrammed gives 'THOMAS CROMWELL'.

I've seen this clue in The Times.

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