David Helfand
David Helfand, a Columbia astrophysicist.
David Helfand has been a guest on 2 podcasts across 2 episodes, most recently People I (Mostly) Admire in March 2022. Each show is judged on its own.
Appearances
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StarTalk RadioScience Literacy in the Misinformation Age - #LMASA · May 2017
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