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In page Wing Chun:

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In 1949, Ip Man, considered the most important grandmaster of modern Wing Chun, brought the style from China to Hong Kong and eventually to the rest of the world.[14][15][16][17] Yip Man's most famous student was Bruce Lee, who had studied under Yip Man before he moved to the United States.[b][19] Lee is also credited for popularizing Wing Chun internationally,[20][21] although he would later develop his own martial arts philosophies (namely Jeet Kune Do) that contain many Wing Chun influences.[22][23] Some masters changed the way of teaching only 1 loyal student because it was a tradition that came because of Qing dynasty's influence and destruction of Southern Shaolin, in order to preserve the style, ancient masters taught only 1 loyal student.[citation needed]