Peter J. Young

Peter John Young was a British astrophysicist who made major contributions to extragalactic astronomy and cosmology. He obtained his PhD from California Institute of Technology in 1981. His contributions include the discovery of the intergalactic medium, the detection of a supermassive black hole in the galaxy M87, the identification of the optical counterpart to the first gravitational lens, and the theory of gravitational microlensing.²