Kit Carson was an American frontiersman. He was a mountain man (fur trapper), wilderness guide, Indian agent, and U.S. Army officer. Carson became a frontier legend in his own lifetime via biographies and news articles. Exaggerated versions...

Charles Robert Darwin was an English naturalist who realised and presented compelling evidence that all species of life have evolved over time from common ancestors, through the process he called natural selection. The fact that evolution o...

James Butler Hickok, known as "Wild Bill" Hickok, was a folk character of the American Old West. Some of his exploits as reported at the time were fictionalized, but his skills as a gunfighter and gambler provided the basis for his enduring...

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"...

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...