IN: Elena Vyacheslavovna Mukhina (Russian: Elena Viacheslavovna Mukhina; first name sometimes rendered "Yelena", last name sometimes rendered "Muchina"; June 1, 1960 - December 22, 2006) was a Soviet gymnast who won the all-around title at the 1978 World Championships in Strasbourg, France. Her career was on the rise and she was widely touted as the next great gymnastics star until in 1979 a broken leg left her out of several competitions, and the recovery from that injury combined with pressure to master a dangerous and difficult tumbling move (the Thomas salto) caused her to break her neck just two weeks before the opening of the 1980 Summer Olympics, leaving her permanently quadriplegic just one month past the age of 20.

According to Larisa Latynina's 2004 interview, Mukhina's trainer, Mikhail Klimenko, was affected by her injury. Because of her devastating injury, Mukhina could not be added to the 1980 Soviet Olympic team roster. There was little doubt that the Soviet Olympic women's gymnastics team would get the gold medal in the team competition at the 1980 Summer Olympics, as it had at all previous Olympics. Nevertheless, Klimenko had desperately wanted Mukhina to make the Olympic team roster because he wanted to become the "Olympic champion's trainer." Soon after Mukhina's paralytic injury, Klimenko emigrated to Italy, where he lived with his children until his death from cancer on November 14, 2007, his 65th birthday. After Mukhina's paralysis and several other close calls with other Olympic-eligible female gymnasts, the Thomas salto was removed from the Code of Points as an allowed skill for women. It remained an allowed skill for men as of 2013, but as of the 2017-2020 quad, rollout skills were banned for both men and women. Her condition notwithstanding, Mukhina was a guest columnist for Moscow News in the late 1980s. Her injury was a featured topic in the 1990 A&E documentary More Than a Game; and her World Championship performance is captured in the ABC Sports video Gymnastics' Greatest Stars. Mukhina took a keen interest in children and young gymnasts both before and after her injury. She also expressed a deep religious faith, and was fond of horses and animated cartoons. Mukhina was thankful to her former teammates who kept in touch with her, especially Yelena Davydova, whom she described as "A real friend".

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input: Luxemburg was born on 5 March 1871, in Zamosc. She and her family were Polish Jews living in Russian-controlled Poland. She was the fifth and youngest child of timber trader Eliasz Luxemburg and Line Lowenstein. Luxemburg later stated that her father imparted an interest in liberal ideas in her, while her mother was religious and well read with books kept at home. The family spoke German and Polish, and Luxemburg also learned Russian. The family moved to Warsaw in 1873. After being bedridden with a hip ailment at the age of five, she was left with a permanent limp. Starting in 1880, Luxemburg attended a gymnasium. From 1886, she belonged to the Polish left-wing Proletariat Party (founded in 1882, anticipating the Russian parties by 20 years). She began political activities by organizing a general strike; as a result, four of the Proletariat Party leaders were put to death and the party was disbanded, though the remaining members, including Luxemburg, kept meeting in secret. In 1887, she passed her Matura (secondary school graduation) examinations. After fleeing to Switzerland to escape detention in 1889, she attended the University of Zurich (as did the socialists Anatoly Lunacharsky and Leo Jogiches), where she studied philosophy, history, politics, economics, and mathematics. She specialized in Staatswissenschaft (government science), the Middle Ages, and economic and stock exchange crises. Her doctoral dissertation, "The Industrial Development of Poland" (Die Industrielle Entwicklung Polens), was officially presented in the spring of 1897 at the University of Zurich, which awarded her a Doctor of Law degree. Her dissertation was published by Duncker and Humblot in Leipzig in 1898. She was an oddity in Zurich as she was one of the very few women with a doctorate. She plunged immediately into the politics of international Marxism, following in the footsteps of Georgi Plekhanov and Pavel Axelrod. In 1893, with Leo Jogiches and Julian Marchlewski (alias Julius Karski), Luxemburg founded the newspaper Sprawa Robotnicza ("The Workers' Cause"), which opposed the nationalist policies of the Polish Socialist Party. Luxemburg believed that an independent Poland could arise and exist only through socialist revolutions in Germany, Austria, and Russia. She maintained that the struggle should be against capitalism, not just for Polish independence. Her position of denying a national right of self-determination under socialism provoked a philosophic disagreement with Vladimir Lenin. She and Leo Jogiches co-founded the Social Democracy of the Kingdom of Poland and Lithuania (SDKPiL) party, after merging Congress Poland's and Lithuania's social democratic organizations. Despite living in Germany for most of her adult life, Luxemburg was the principal theoretician of the Social Democracy of the Kingdom of Poland (SDKP, later the SDKPiL), and led the party in a partnership with Jogiches, its principal organizer.

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leaders were put to death and the party was disbanded,