Wu<sup>2</sup> Chien<sup>4<;/sup>-ch'üan<sup>2</sup> (Wade-Giles), or Wú Jiànquán, 吳鑑泉 (1870-1942), was a famous teacher of the soft style martial art of T'ai Chi Ch'uan (Taijiquan) in late Imperial and early Republican China. Wu Chien-ch'uan was taught martial arts by his father, Wu Ch'uan-yu (Wu Quanyuo, 吳全佑, 1834-1902), a famous student of Yang Lu-ch'an, (楊露禪, 1799-1872), and Yang Pan-hou, (楊班侯, 1837-1890). Wikipedia
The definitive Wikipedia entry for Wu Chien-Ch'Uan. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Wu_Chien-ch%27uan