JL
Janna Levin
Janna Levin is a professor of physics and astronomy at Barnard College at Columbia University in New York. She is the author of How the Universe Got Its Spots (2002) and Black Hole Blues (2016).
Janna Levin is a professor of physics and astronomy at Barnard College at Columbia University in New York. She is the author of How the Universe Got Its Spots (2002) and Black Hole Blues (2016).
