Incorrect I in wimpier is 5th letter.
N is fifth letter from I.
Wimpner.
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Emmet (Moon) Wimpner.
Kia 6/6/18, WWI, member of 5th (again) Marine regiment Devil Dogs
https://www.armyupress.army.mil/Journals/Military-Review/MR-Book-Reviews/August-2019/Book-Review-006/