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Dan Doble
Old Cambridge, Massachusetts, United States
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About
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1 Year as a User
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Last challenge activity
Solar Prize Round 6
The Solar Prize Round 6 offers $4.1 million in cash prizes to competitors over …
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$4.1M
685
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Oct. 4, 2022, 6:50 p.m. PDT
Solar Prize Round 6
registered for challenge
Dec. 9, 2019, 12:13 p.m. PST
Solar Prize Round 3
registered for challenge
1 Year as a User
Category Added to Profile
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Submitted to Challenge
