Request permission to discuss Schild’s paper. It is fundamental to the understanding of Quasars. Schild is a specialist in the area of quasar observation and theory. Quasars, Quasar evolution with redshift (change in the number of quasars, change in the quasar luminosity), Quasar's relationship galaxy development and morphology, is one of the most interesting current topics in astrophysics. http://iopscience.iop.org/1538-3881/135/3/947 Rudolph Schild is an astrophysicist at Harvard University, the director of the 1.5 meter telescope program at the Harvard-Smithsonian Cambridge observatories and has has authored or contributed to over two hundred and fifty papers.