Global InformationOttomar Gern information
Ottomar Gern | |
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| Native name | Konstantin Borisovich Gern |
| Born | 16 November 1827 Vitebsk Governorate, Russia |
| Died | 9 November 1882 (aged 54) Menton, France |
| Buried | Moscow |
| Allegiance |  Russian Empire |
| Rank | Lieutenant-General |
Ottomar Gern also known as Konstantin Borisovich Gern (16 November 1827 – 9 November 1882), was a Russian fortification engineer. Gern was born to a Polish noble family of German origin in Vitebsk Governorate, Russia. He studied war engineering at school and later became a lecturer in the field of construction of fortifications.
During the Crimean War in 1854, Gern was sent to Tallinn to organise better protection for batteries. Gern built four submarines during his life. After the Franco-Prussian War (1870–1871), he made a comprehensive presentation of the protective construction operations of both sides. He was awarded the rank of Lieutenant-General.