
Acting
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.

Blocheads
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High And Mighty
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Brave New Wild
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John Gill Across Time
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Rocky Mountain Highball
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Disciples of Gill
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Bachar: Man, Myth, Legend
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Friction Addiction
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The Best of Horsetooth Reservoir Bouldering
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Upward Bound
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