Jeremy Samuel Heyl[1] is an astronomer and a professor at the University of British Columbia's Department of Physics and Astronomy, in Vancouver, British Columbia. He holds a Canada Research Chair in black holes and neutron stars. In the past he was a Goldwater Scholar, a Marshall Scholar and a Chandra Fellow.
Heyl is best known for his work in the physics of neutron stars especially the importance of quantum electrodynamics in radiative transfer, non-radial oscillations during Type-I X-ray bursts and the cooling of magnetars. He has also made important contributions to our understanding of galaxy formation, evolution and mergers.