Mikhail Osipovich Dolivo-Dobrovolsky (https://en.wikipedia.org/wiki/Mikhail_Dolivo-Dobrovolsky) (09/06/22 09:05:32)
"Mikhail Dolivo-Dobrovolsky was born as the son of the Russian civil servant and landowner of Polish descent Josif Florovich Dolivo-Dobrovolsky and Olga Mikhailovna Jewreinova from an old Russian noble family in Gatchina near Saint Petersburg. He spent his school days in Odessa, where his father was transferred in 1872. After secondary school he went at the age of 16 to the Riga Polytechnic, a college founded by Baltic Germans, teaching in German language. At the end of the 1870s, after a series of assassination attempts and finally the murder of Tsar Alexander II in 1881, a wave of repression broke out, with which all progressively oriented students were expelled from their university, which was equivalent to a study ban in all of Russia. Among them was Dolivo-Dobrovolsky. After his forced exmatriculation in Riga in 1881, he left his homeland in 1883 and went to Germany."
And what did he do there? He invented three-phase alternating current equipment (working at AEG).
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