Masutatsu Ōyama (大山 倍達, Ōyama Masutatsu, born Choi Yeong-eui (Hangul: 최영의 Hanja: 崔永宜); July 27, 1923 – April 26, 1994), more commonly known as Mas Oyama, was a karate master who founded Kyokushin Karate, considered the first and most influential style of full contact karate. A Zainichi Korean, he spent most of his life living in Japan and acquired Japanese citizenship in 1968. Mas Oyama was born as Choi Yeong-Eui (최영의) in Kintei, Korea. At a young age he was sent to Manchukuo to live on his sister's farm. Oyama began studying Chinese martial arts at age 9 from a Chinese farmer who was working on the farm. His family name was Lee and Oyama said he was his very first teacher. The story of the young Oyama's life is written in his earlier books. His family was of the landed-gentry class, and his father, Choi Seung Hyun, writing under the pen name of "Hakheon," was a noted composer of classical Chinese poetry. More information...
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