Jan Rotwill Heidatel was a famous Russian engineer, general-mayor, Candidate of Philosophy

Candidate of Philosophy

Candidate of Philosophy is any of the following academic degrees: a Bachelor's level, Master's level, higher than Master's level, or Doctorate level degree, depending on the country.- In the United States :...

, head of Liepāja

Liepaja

Liepāja ; ), is a republican city in western Latvia, located on the Baltic Sea directly at 21°E. It is the largest city in the Kurzeme Region of Latvia, the third largest city in Latvia after Riga and Daugavpils and an important ice-free port...

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Heidatel was born to a French father and Polish mother. While studying in the Vilnius University

Vilnius University

Vilnius University is the oldest university in the Baltic states and one of the oldest in Eastern Europe. It is also the largest university in Lithuania....

 he joined the secret Filaret Association

Filaret Association

The Filaret Association was a secret organization created in 1820 by Tomasz Zan within the Philomates following the dissolution, under pressure from Wilno University authorities, of the Radiant Association...

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From 1824 served in the Corpus of Water Communications belonging to the Ministry of Transport of the Russian Empire

Russian Empire

The Russian Empire was a state that existed from 1721 until the Russian Revolution of 1917. It was the successor to the Tsardom of Russia and the predecessor of the Soviet Union...

. In February 1825 as a officer he was sent to Arkhangelsk

Arkhangelsk

Arkhangelsk , formerly known as Archangel in English, is a city and the administrative center of Arkhangelsk Oblast, Russia. It lies on both banks of the Northern Dvina River near its exit into the White Sea in the north of European Russia. The city spreads for over along the banks of the river...

, later promoted to general he was a head of the region of communication tracts in Kaunas

Kaunas

Kaunas is the second-largest city in Lithuania and has historically been a leading centre of Lithuanian economic, academic, and cultural life. Kaunas was the biggest city and the center of a powiat in Trakai Voivodeship of the Grand Duchy of Lithuania since 1413. During Russian Empire occupation...

. In 1830 he took part in the November Uprising

November Uprising

The November Uprising , Polish–Russian War 1830–31 also known as the Cadet Revolution, was an armed rebellion in the heartland of partitioned Poland against the Russian Empire. The uprising began on 29 November 1830 in Warsaw when the young Polish officers from the local Army of the Congress...

. After 1850 he worked in Liepāja

Liepaja

Liepāja ; ), is a republican city in western Latvia, located on the Baltic Sea directly at 21°E. It is the largest city in the Kurzeme Region of Latvia, the third largest city in Latvia after Riga and Daugavpils and an important ice-free port...

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Heidatel was married and had two children. He died in Kraków, his burial service was held in St. Anna Roman Catholic church, he was buried in the Powązki Cemetery

Powazki Cemetery

Powązki Cemetery , also known as the Stare Powązki is a historic cemetery located in the Wola district, western part of Warsaw, Poland. It is the most famous cemetery in the city, and one of the oldest...

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