Or Graur

Or Graur is a Senior Lecturer in Astrophysics at the Institute of Cosmology and Gravitation at the University of Portsmouth, as well as a Research Associate at the American Museum of Natural History. He has also held postdoc and research positions at The Johns Hopkins University, New York University, and the Harvard-Smithsonian Center for Astrophysics. Graur studies supernovae and other transient astrophysical phenomena.