Background
Dmitry Dmitrievich Sergievsky was born on March 10,1867, in settlement Sloboda Streletskaya of Alexeyevsky District in Belgorod Oblast, Russian Federation. He was born in the family of clergymen.
Dmitry Dmitrievich Sergievsky was born on March 10,1867, in settlement Sloboda Streletskaya of Alexeyevsky District in Belgorod Oblast, Russian Federation. He was born in the family of clergymen.
Dmitry Dmitrievich graduated from Voronezh Oblast Classical School Gymnasium in 1885, the Faculty of Physics and Mathematics of the University of Saint Petersburg in 1889, the Department of Geodesy of Nikolaev Academy of General Staff in 1897.
Dmitry Dmitrievich worked in the military from 1889. From 1899, he worked in the corps of military topographers to the General Staff. He conducted astronomical works in Leningrad Oblast, Pskov Oblast, Novgorod Oblast and Livonia. In the period from 1899 to 1900, he was the head of the expedition for the production of ‘degree measurement’ on the islands of Svalbard.
In 1904, Dmitry Dmitrievich became the assistant to the chief of the Department of Geodesy of the Military Topographic Directorate of the General Staff. He was a professor at the Institute of Railway Engineers, the Academy of the General Staff, the Military Engineering Academy. He served in the Workers and Peasants' Red Army from 1919 to 1920.