deaths

Mikhail Dolivo-Dobrovolsky, Polish-Russian engineer, electrician, and inventor (born 1862)

Historical image related to Mikhail Dolivo-Dobrovolsky, Polish-Russian engineer, electrician, and inventor (born 1862) from November 15, 1919

Mikhail Dolivo-Dobrovolsky

Mikhail Osipovich Dolivo-Dobrovolsky was a Russian-born engineer, electrician, and inventor of Polish-Russian origins, active in the German Empire and also in Switzerland.
Source: Wikipedia (CC BY-SA)