Complex sentence: Viktor Fedorovich Bolkhovitinov (Виктор Фёдорович Болховитинов) (4 February 1899--29 January 1970) was a Soviet engineer, team-leader of the developers of the Bereznyak-Isayev BI- 1 aircraft and the Bolkhovitinov DB-A bomber named after him.
Split into simpler sentences: Viktor Fedorovich Bolkhovitinov (Виктор Фёдорович Болховитинов) (4 February 1899--29 January 1970) was a Soviet engineer and team-leader of the developers of the Bereznyak-Isayev BI- 1 aircraft. He was also the lead designer of the Bolkhovitinov DB-A bomber named after him.