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Denis Allen Hayes (born Augus ...... "Hero of the Planet" in 1999.
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Denis Hayes (ur. 1944 w Wiscon ...... oku otrzymał Medal Jeffersona.
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birth date
birth name
Denis Allen Hayes
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birth place
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Caption
Denis Hayes, taken while director of the Solar Energy Research Institute
description
American environmentalist
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subject
comment
Denis Allen Hayes (born Augus ...... write a book on solar energy.
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Denis Hayes (ur. 1944 w Wiscon ...... oku otrzymał Medal Jeffersona.
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label
Denis Hayes
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Denis Hayes
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wasDerivedFrom
gender
male
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givenName
Denis
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isPrimaryTopicOf
name
Denis Hayes
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surname
Hayes
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