John Griffith London (born John Griffith Chaney; January 12, 1876 – November 22, 1916) was an American novelist, journalist, and social activist. A pioneer in the world of commercial magazine fiction, he was one of the first writers to become a worldwide celebrity and earn a large fortune from writing. He was also an innovator in the genre that would later become known as science fiction.His most famous works include The Call of the Wild and White Fang, both set in the Klondike Gold Rush, as well as the short stories "To Build a Fire", "An Odyssey of the North", and "Love of Life". He also wrote about the South Pacific in stories such as "The Pearls of Parlay", and "The Heathen".
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Antonio Rivera took refuge with other Nationalists in the Alcázar during the Spanish Civil War. As a pacifist, the youth refused at first to help defend the ancient stronghold, and was put on latrine duty. When the situation of the besieged became more desperate, he decided that it would not be inconsistent with his principles to aid in the defense, provided that he did not kill in hatred. He was assigned the position of loader to a heavy machine gun. It was said that he would give the signal to fire with the words: "Tirad — pero sin odio." (Fire — but without hatred. )