Below is a list of German expressions used in English. Many of these are used to imply that the thing being expressed is German, as in Frau or Reich, although sometimes it has no German implication, as in doppelganger or angst.
... Northwest Passage in a single ship
Roy Chapman Andrews, (1884-1960), US explorer
B
Vasco Nunez de Balboa, (c. 1475-1519), (- Spanish, first to sight the Pacific Ocean, ...