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David Grinspoon #39

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rchurchley opened this Issue Apr 13, 2017 · 0 comments

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@rchurchley
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rchurchley commented Apr 13, 2017

David Grinspoon is an astrobiologist and principal scientist at the Planetary Science Institute. He also plays guitar and heads The House Band of the Universe.

Erdős 6

Bacon 3

Sabbath 4

Credits

Discovery: David Grinspoon

Photo: Courtesy of David Grinspoon

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