1876 – 1965
1 entries in the GMN corpus.
Image source · Klaus Imhoff · Own work (Familienfoto) · CC BY-SA 4.0
1 entry with mapped publication places. Click clusters to zoom in; dense clusters offer table or cards view when fully expanded.
1925 CE
#1642
In 1909 Imhoff devised the system of sewage purification which bears his name.