[cafard]

Wasn't Stendhal a consul? The consular service brings in a number of other writers, including on the American side Hawthorne and Howells.

I pulled a slim volume of St.-John Perse off the shelves, and confirmed that he was a diplomat. The dust cover remarks that the translator, Dennis Devlin, was himself a diplomat.

The list seems to restrict writers to novelists and poets. George Kennan was an excellent memoirist and historian. His works are not hard to find.