Biography
John Gill (born 16 Feb 1937) is an American mathematician who has achieved recognition for his rock-climbing. He is widely considered to be the father of American bouldering.
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John Gill (born 16 Feb 1937) is an American mathematician who has achieved recognition for his rock-climbing. He is widely considered to be the father of American bouldering.
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아직 발표된 작품이 없어요.
