Ludwig August von Hagemeister was a Russian

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...

 seafarer of Baltic German

Baltic German

The Baltic Germans were mostly ethnically German inhabitants of the eastern shore of the Baltic Sea, which today form the countries of Estonia and Latvia. The Baltic German population never made up more than 10% of the total. They formed the social, commercial, political and cultural élite in...

 origin and explorer of the Pacific Ocean

Pacific Ocean

The Pacific Ocean is the largest of the Earth's oceanic divisions. It extends from the Arctic in the north to the Southern Ocean in the south, bounded by Asia and Australia in the west, and the Americas in the east.At 165.2 million square kilometres in area, this largest division of the World...

, Captain of the 1st rank

History of Russian military ranks

Modern Russian military ranks trace their roots to Table of Ranks established by Peter the Great. Most of the rank names were borrowed from existing German/Prussian, French, English, Dutch, and Polish ranks upon the formation of Russian regular army in late 17th century.- Muscovy :The rulers of the...

.

In 1806-1807, Hagemeister journeyed from Kronstadt

Kronstadt

Kronstadt , also spelled Kronshtadt, Cronstadt |crown]]" and Stadt for "city"); is a municipal town in Kronshtadtsky District of the federal city of St. Petersburg, Russia, located on Kotlin Island, west of Saint Petersburg proper near the head of the Gulf of Finland. Population: It is also...

 to Russian America, crossing the Atlantic

Atlantic Ocean

The Atlantic Ocean is the second-largest of the world's oceanic divisions. With a total area of about , it covers approximately 20% of the Earth's surface and about 26% of its water surface area...

, Indian

Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering approximately 20% of the water on the Earth's surface. It is bounded on the north by the Indian Subcontinent and Arabian Peninsula ; on the west by eastern Africa; on the east by Indochina, the Sunda Islands, and...

, and Pacific Oceans in his ship Neva. In 1808–1809, he explored the shores of Alaska

Alaska

Alaska is the largest state in the United States by area. It is situated in the northwest extremity of the North American continent, with Canada to the east, the Arctic Ocean to the north, and the Pacific Ocean to the west and south, with Russia further west across the Bering Strait...

 and made trips to the North Pacific. Hagemeister returned to St. Petersburg

Saint Petersburg

Saint Petersburg is a city and a federal subject of Russia located on the Neva River at the head of the Gulf of Finland on the Baltic Sea...

 through Siberia

Siberia

Siberia is an extensive region constituting almost all of Northern Asia. Comprising the central and eastern portion of the Russian Federation, it was part of the Soviet Union from its beginning, as its predecessor states, the Tsardom of Russia and the Russian Empire, conquered it during the 16th...

 in 1810. He was chairman of the Admiralty

Admiralty

The Admiralty was formerly the authority in the Kingdom of England, and later in the United Kingdom, responsible for the command of the Royal Navy...

 of Irkutsk

Irkutsk

Irkutsk is a city and the administrative center of Irkutsk Oblast, Russia, one of the largest cities in Siberia. Population: .-History:In 1652, Ivan Pokhabov built a zimovye near the site of Irkutsk for gold trading and for the collection of fur taxes from the Buryats. In 1661, Yakov Pokhabov...

 from 1812 to 1815, in which capacity Hagemeister was responsible for the building of the first ships for crossing Lake Baikal

Lake Baikal

Lake Baikal is the world's oldest at 30 million years old and deepest lake with an average depth of 744.4 metres.Located in the south of the Russian region of Siberia, between Irkutsk Oblast to the northwest and the Buryat Republic to the southeast, it is the most voluminous freshwater lake in the...

. From 1816 to 1819, he was in charge of the Russian-American Company

Russian-American Company

The Russian-American Company was a state-sponsored chartered company formed largely on the basis of the so-called Shelekhov-Golikov Company of Grigory Shelekhov and Ivan Larionovich Golikov The Russian-American Company (officially: Under His Imperial Majesty's Highest Protection (patronage)...

 ship Kutuzov, on which he made his first circumnavigation

Circumnavigation

Circumnavigation – literally, "navigation of a circumference" – refers to travelling all the way around an island, a continent, or the entire planet Earth.- Global circumnavigation :...

 of the globe, with a stop in Russian America. In 1828–1829, Hagemeister made his second circumnavigation on the ship Krotky. During this journey, he surveyed the Menshikov Atoll (Kwajalein)

Kwajalein

Kwajalein Atoll , is part of the Republic of the Marshall Islands . The southernmost and largest island in the atoll is named Kwajalein Island. English-speaking residents of the U.S...

 in the Marshall Islands

Marshall Islands

The Republic of the Marshall Islands , , is a Micronesian nation of atolls and islands in the middle of the Pacific Ocean, just west of the International Date Line and just north of the Equator. As of July 2011 the population was 67,182...

, plotting it on the map and specifying the location of some other islands.

An island

Hagemeister Island

Hagemeister Island is an island in the U.S. state of Alaska, located on the north shore of Bristol Bay at the entrance to Togiak Bay.The island is long, has a land area of , and its highest point is...

 and a strait in Alaska bear Hagemeister's name.