Yuri Alekseyevich Gagarin was a Soviet pilot and cosmonaut. He was the first human being to journey into outer space, when his Vostok spacecraft completed an orbit of the Earth on April 12, 1961. Gagarin became an international celebrity, a...

As spacecraft commander for Apollo 11, the first piloted lunar landing mission, Armstrong gained the distinction of being the first person to step on the surface of the Moon. On July 16, 1969, Armstrong, Michael Collins, and Edwin E. "Buzz"...

Sir Edmund Percival Hillary, was a New Zealand mountaineer and explorer. On 29 May 1953 at the age of 33, he and Sherpa mountaineer Tenzing Norgay became the first climbers known to have reached the summit of Mount Everest. They were part o...

Jan Hendrik Oort was a Dutch astronomer who made significant contributions to the understanding of the Milky Way and who was a pioneer in the field of radio astronomy. His New York Times obituary called him “one of the century's foremost ex...

Sir Ernest Henry Shackleton was a polar explorer who led three British expeditions to the Antarctic, and one of the principal figures of the period known as the Heroic Age of Antarctic Exploration. Born in Kilkea, Athy, County Kildare, Irel...

Roald Engelbregt Gravning Amundsen was a Norwegian explorer of polar regions. He led the Antarctic expedition of 1910–1912 which was the first to reach the South Pole. They arrived at the South Pole on 14 December 1911, 35 days before Scott...

David Grandison Fairchild was an American botanist and plant explorer. Fairchild was responsible for the introduction of more than 200,000 exotic plants and varieties of established crops into the United States, including soybeans, pistachi...

Captain Robert Falcon Scott was a British Royal Navy officer and explorer who led two expeditions to the Antarctic regions: the Discovery Expedition (1901–1904) and the ill-fated Terra Nova Expedition (1910–1913). On the first expedition, h...

Gertrude Margaret Lowthian Bell was a British writer, traveler, political analyst, and administrator in Arabia. She was awarded the Order of the British Empire. Bell and T. E. Lawrence (Lawrence of Arabia) are recognized as almost wholly re...

Adrien de Gerlache, Belgian naval officer and explorer. Sailing with Norwegian explorer Roald Amundsen who would later be the first to reach the South Pole, Gerlache led a scientific expedition to Antarctica in 1897–99. During the expeditio...

Matthew Alexander Henson was an American explorer and associate of Robert Peary during various expeditions, the most famous being a 1909 expedition which claimed to be the first to reach the Geographic North Pole. Henson met Commander Ro...

Sven Anders Hedin was a Swedish geographer, topographer, explorer, photographer, and travel writer, as well as an illustrator of his own works. During four expeditions to Central Asia he discovered the Transhimalaya (once named the Hedin Ra...

Lieutenant Colonel Sir Francis Edward Younghusband, KCSI, KCIE, was a British Army officer, explorer, and spiritual writer. He is remembered chiefly for his travels in the Far East and Central Asia; especially the 1904 British expedition to...

Sir Marc Aurel Stein KCIE, FBA, was a Hungarian archaeologist, mainly concerned with exploring ancient Central Asia. He was also a professor at various Indian universities. Stein was influenced by Sven Hedin's 1898 work, Through Asia. He m...

Salomon August Andrée, during his lifetime most often known as S. A. Andrée, was a Swedish engineer, physicist, aeronaut and polar explorer who died while leading an attempt to reach the Geographic North Pole by hydrogen balloon. The balloo...