Lawrenti Alexeyevich Sagoskin (Russian Лаврентий Алексеевич Загоскин; * 1808 in Nikolajewka, Penza Governorate, Russia, † 1890 in Ryazan, Russia ) was a lieutenant in the Imperial Russian Navy and explorer in Alaska.
Sagoskin served as a naval officer in the Caspian Sea and the Baltic Sea.
In the 1840s there was little information on the western inland areas of Alaska, the then Russian-owned was ( Russian America ). The Russian-American Company, a parastatal trading company of the Russian Empire in the 19th century, Sagoskin sent to the region of the Yukon and Kuskokwim River to carry out geographical exploration. For the expedition, he received an education in mineralogy, zoology, botany and entomology.
His duties were to search for lucrative places for the establishment of trading posts and for ways of Russian-American company of over the Chukchi benefits to gain when trading.
Sagoskins expedition in the region of the lower reaches of the Yukon and Kuskokwim lasted two years ( 1842-44 ). He put it back around 5,300 km.
After his return to Russia, he worked on the final reports, which he published in 1847 and 1848. For his services he received a National Science Award.
Sagoskin retired in 1848 from the Navy from. After that he worked as a manager of a forestry institute in the science of plant cultivation and as an archivist. He died in 1890 at the age of 82 years.