Caleb Scharf
Actor:
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1. How the Universe Works (2010), series...Self - Astrobiologist
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2. Evacuate Earth (2012), film...Self - Director of Astrobiology Center, Columbia U
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3. Evacuate Earth (2012), series...Self - Director of Astrobiology Center, Columbia U
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4. How to Survive the End of the World (2013), series...Self - Director of Astrobiology Center, Columbia U
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5. Space's Deepest Secrets (2016), series...Self - Astronomer