As a mountaineer, he made the first ascent of Mount Thor, with David Morton.

Entity and relation annotations:
id: 0
type: entity
value: text: David Morton
labels: <Person>
id: 1
type: entity
value: text: Mount Thor
labels: <Location>
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type: entity
value: text: mountaineer
labels: <Title>
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labels: Person:visits:Location
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type: relation
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labels: Person:holds_title:Title
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