Matt O'Dowd is an astrophysicist, professor, host & writer of the weekly YouTube show PBS Space Time, currently the biggest physics & space show on YouTube with ~ 2 million subscribers. Matt conducts research in extragalactic astrophysics (black holes, quasars, gravitational lensing) with joint positions at the City University of New York, Lehman College & the American Museum of Natural History.

SPACE TIME: (https://www.youtube.com/channel/UC7_gcs09iThXybpVgjHZ_7g)