Jimmy Wilde (15 May 1892 – 10 March 1969) was a Welsh professional boxer and world boxing champion. He was the first official World Flyweight Champion and was rated by American boxing writer Nat Fleischer, as well as many other professionals and fans including former boxer, trainer, manager and promoter, Charley 'Broadway' Rose, as "the greatest flyweight ever." Wilde earned various nicknames such as, "The Mighty Atom," "Ghost with the Hammer in his Hand" and "The Tylorstown Terror."

Jimmy Wilde's birth certificate shows he was born in the Taff Bargoed Valley community of Pentwyn Deintyr) (now known as the Graig), Quakers Yard, Treharris, in the county borough of Merthyr Tydfil but his parents later moved to the village of Tylorstown in the Rhondda Valley when Wilde was twelve years old. Wilde was the son of a coal miner and worked in the coal pits himself. Wilde was small enough to crawl through gullies impassable to most of his colleagues. Wilde first fought at the age of sixteen in fairground boxing booths, where crowds were amazed by his toughness and ability to knock down much larger opponents, most of which were local toughmen weighing around 200 lbs. In 1910, Wilde married his wife Elizabeth and was a father the same year. He left Tylorstown Colliery in 1913. In 1916, Wilde joined the British Army and was sent to Aldershot as a PT instructor.

José Doroteo Arango Arámbula (5 June 1878 – 20 July 1923) – better known by his pseudonym Francisco Villa or his nickname Pancho Villa – was one of the most prominent Mexican Revolutionary generals.

As commander of the División del Norte (Division of the North), he was the veritable caudillo of the northern Mexican state of Chihuahua which, given its size, mineral wealth, and proximity to the United States of America, provided him with extensive resources. Villa was also provisional Governor of Chihuahua in 1913 and 1914. Although he was prevented from being accepted into the "panteón" of national heroes until some 20 years after his death, today his memory is honored by Mexicans, U.S. citizens, and many people around the world. In addition, numerous streets and neighborhoods in Mexico are named in his honor.

Villa and his supporters seized hacienda land for distribution to peasants and soldiers. He robbed and commandeered trains, and, like the other revolutionary generals, printed fiat money to pay for his cause. Villa's men and supporters became known as Villistas during the revolution from 1910 to roughly 1920.

John Griffith "Jack" London (born John Griffith Chaney, January 12, 1876 – November 22, 1916) was an American author, journalist, and social activist. He was a pioneer in the then-burgeoning world of commercial magazine fiction and was one of the first fiction writers to obtain worldwide celebrity and a large fortune from his fiction alone. He is best remembered as the author of 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".^{[citation needed]} He also wrote of the South Pacific in such stories as "The Pearls of Parlay" and "The Heathen", and of the San Francisco Bay area in The Sea Wolf.

London was a passionate advocate of unionization, socialism, and the rights of workers and wrote several powerful works dealing with these topics such as his dystopian novel, The Iron Heel and his non-fiction exposé, The People of the Abyss.

Jack London's mother, Flora Wellman, was the fifth and youngest child of Pennsylvania Canal builder Marshall Wellman and his first wife, Eleanor Garrett Jones. Marshall Wellman was a great-great-great-grandson of Puritan Thomas Wellman. Flora left Ohio and moved to the Pacific coast when her father remarried after her mother died. In San Francisco, Flora worked as a music teacher and spiritualist claiming to channel the spirit of an Indian chief.