Oh it's Avi Loeb, head of the astronomy department at Harvard. Here's a youtube about what his deal is, by an astronomer who studied astronomy through postdoc l

Oh it's Avi Loeb, head of the astronomy department at Harvard. Here's a youtube about what his deal is, by an astronomer who studied astronomy through postdoc level and then left for industry and doing some youtubes https://www.youtube.com/watch?v=aY985qzn7oI https://www.youtube.com/watch?v=aY985qzn7oI