Балтийский завод
On January 4, 1901 the Marine Ministry of Russia assigned the task of designing a combat submarine for the Russian Navy to three officers: Lieutenant M.N. Beklemishev, Lieutenant I.S. Goryunov and Naval architect Senior Assistant I.G. Bubnov, an employee at the Ministry's Baltic Shipyard where the construction of the vessel was planned to take place. The men submitted their design to the Marine Ministry on May 3, 1901; it was approved the following July, and the Baltic Shipyard was then awarded the order for construction of Torpedo Boat No. 113 (later renamed combat submarine "Dolphin"). Bubnov was appointed Head of the Construction Commission for Submarines. It was this Construction Commission that after multiple transformations and name changes became the Rubin Central Design Bureau for Marine Engineering.