References Sources https://web.archive.org/web/20050908025431/http://erudite.nm.ru/DolivoDobr.htm https://web.archive.org/web/20110926231334/http://library.istu.edu/hoe/personalia/dolivo.pdf 1862 births 1919 deaths People from Gatchina People from Tsarskoselsky Uyezd Electrical engineers Emigrants from the Russian Empire to Germany Technische Universität Darmstadt alumni