American writer in West Germany, he travels (6,9)

I believe the answer is:

ernest hemingway

I'm a little stuck... Click here to teach me more about this clue!

'american writer' is the definition.
'Ernest Hemingway' can be an answer for 'writer' (Ernest Hemingway is an example). I am not sure about the 'american' bit.

'in west germany he travels' is the wordplay.
'travels' is an anagram indicator.
'in'+'west'+'germany'+'he'='inwestgermanyhe'
'inwestgermanyhe' is an anagram of 'ERNEST HEMINGWAY'.

Can you help me to learn more?

(Other definitions for ernest hemingway that I've seen before include "Writer" , "A new genre is myth (anag) - author" .)

I've seen this clue in The Telegraph.

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