Janna Levin is a brilliant and quirky cosmologist. Unlike the majority of her contemporaries, she believes that the universe is finite and this claim has led to a great deal of controversy within the scientific community.
She is currently a Research Fellow in Astrophysics at Oxford and was recently an Advanced Fellow in the Department of Applied Mathematics and Theoretical Physics at Cambridge University. She holds a Ph.D. from the Massachusetts Institute of Technology and worked previously at the Canadian Institute for Theoretical Astrophysics and the Center for Particle Astrophysics at the University of California, Berkeley.