Henry Foster (scientist)
Henry Foster was a British naval officer
Royal Navy
The Royal Navy is the naval warfare service branch of the British Armed Forces. Founded in the 16th century, it is the oldest service branch and is known as the Senior Service...

 who took part in expeditions to the Arctic
The Arctic is a region located at the northern-most part of the Earth. The Arctic consists of the Arctic Ocean and parts of Canada, Russia, Greenland, the United States, Norway, Sweden, Finland, and Iceland. The Arctic region consists of a vast, ice-covered ocean, surrounded by treeless permafrost...

 and Antarctic
The Antarctic is the region around the Earth's South Pole, opposite the Arctic region around the North Pole. The Antarctic comprises the continent of Antarctica and the ice shelves, waters and island territories in the Southern Ocean situated south of the Antarctic Convergence...

 and made various notable scientific observations.

In his early career, he served aboard HMS York
HMS York (1807)
HMS York was a 74-gun third-rate ship of the line of the Royal Navy, built at Rotherhithe by the contract firm Samuel & Daniel Brent, and launched on 7 July 1807. She saw service during the Napoleonic Wars, though is best known for her time spent as a prison ship...

. Later, he served aboard HMS Griper as part of the British Naval Scientific Expedition led by Douglas Clavering, assisting the astronomer Edward Sabine
Edward Sabine
General Sir Edward Sabine KCB FRS was an Irish astronomer, geophysicist, ornithologist and explorer.Two branches of Sabine's work in particular deserve very high credit: Determination of the length of the seconds pendulum, a simple pendulum whose time period on the surface of the Earth is two...

. He became a Fellow of the Royal Society
Royal Society
The Royal Society of London for Improving Natural Knowledge, known simply as the Royal Society, is a learned society for science, and is possibly the oldest such society in existence. Founded in November 1660, it was granted a Royal Charter by King Charles II as the "Royal Society of London"...


In 1824 as a lieutenant, he joined the Northwest Passage
Northwest Passage
The Northwest Passage is a sea route through the Arctic Ocean, along the northern coast of North America via waterways amidst the Canadian Arctic Archipelago, connecting the Atlantic and Pacific Oceans...

 expedition led by Captain William Edward Parry
William Edward Parry
Sir William Edward Parry was an English rear-admiral and Arctic explorer, who in 1827 attempted one of the earliest expeditions to the North Pole...

, aboard HMS Hecla
HMS Hecla (1815)
HMS Hecla was a Royal Navy Hecla-class bomb vessel of 372 tons. Launched on 15 July 1815, she saw wartime service in an attack on Barbary pirates at Algiers in August, 1816...

. He made various scientific observations in magnetism
Magnetism is a property of materials that respond at an atomic or subatomic level to an applied magnetic field. Ferromagnetism is the strongest and most familiar type of magnetism. It is responsible for the behavior of permanent magnets, which produce their own persistent magnetic fields, as well...

 and astronomy
Astronomy is a natural science that deals with the study of celestial objects and phenomena that originate outside the atmosphere of Earth...

 and pendulum
A pendulum is a weight suspended from a pivot so that it can swing freely. When a pendulum is displaced from its resting equilibrium position, it is subject to a restoring force due to gravity that will accelerate it back toward the equilibrium position...

 measurements of gravity, for which he shared the Copley Medal
Copley Medal
The Copley Medal is an award given by the Royal Society of London for "outstanding achievements in research in any branch of science, and alternates between the physical sciences and the biological sciences"...

 in 1827 and received the rank of commander. Later in 1827 he joined the British Naval North Polar Expedition, again under the leadership of Parry.

From 1828 to 1831, he was commander of HMS Chanticleer
HMS Chanticleer (1808)
HMS Chanticleer was a Cherokee-class 10-gun brig of the Royal Navy. Chanticleer was launched on 26 July 1808. She served in European waters during the Napoleonic Wars and was paid off and laid up at Sheerness in July 1816. She was chosen for an 1828 scientific voyage to the Pacific Ocean...

 and led the British Naval Expedition to the South Atlantic including the South Shetland Islands
South Shetland Islands
The South Shetland Islands are a group of Antarctic islands, lying about north of the Antarctic Peninsula, with a total area of . By the Antarctic Treaty of 1959, the Islands' sovereignty is neither recognized nor disputed by the signatories and they are free for use by any signatory for...

 and notably Deception Island.

He drowned in the Chagres River
Chagres River
The Chagres River is a river in central Panama. The central part of the river is dammed by the Gatun Dam and forms Gatun Lake, an artificial lake that constitutes part of the Panama Canal. Upstream lies the Madden Dam, creating the Alajuala Lake that is also part of the Canal water system...

 in Panama
Panama , officially the Republic of Panama , is the southernmost country of Central America. Situated on the isthmus connecting North and South America, it is bordered by Costa Rica to the northwest, Colombia to the southeast, the Caribbean Sea to the north and the Pacific Ocean to the south. The...

 in 1831. Port Foster
Port Foster
Port Foster is one of the safest harbours in Antarctica, located in Deception Island in the South Shetland Islands.The center of Deception Island is a caldera, formed by a gigantic volcanic eruption and later flooded. This has created the 5 miles long, 3 miles wide basin-like harbour of Port Foster...

 in Deception Island is named after him.
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