People /Johann Georg Ritter von Zimmermann peoplepill id: johann-georg-ritter-von-zimmermannJGRVZ 1 views today 13 views this weekSwiss philosophical writer, naturalist, and physicianJohann Georg Ritter von ZimmermannBiographyBibliography (39)ListsAlso ViewedFrom our partnersSponsoredJohann Georg Ritter von Zimmermann