Catalogue of Discordant Redshift Associations
Halton Arp graduated cum laude from Harvard in 1949 and earned a Ph.D. from Caltech in 1953 (also cum laude). His first postdoctoral position was as an assistant to Edwin Hubble. He worked as a staff astronomer at Mt. Wilson and Mt. Palomar for 29 years before moving to Max-Planck-Institute for Astrophysics in Munich. Arp's observations of quasars and galaxies are world-renowned. He is the author of the Atlas of Peculiar Galaxies (1963: a collectors' item), Quasars, Redshifts and Controversies (1987), as well as numerous articles in scholarly journals. He has been awarded the Helen B. Warner Prize of the American Astronomical Society and the Newcomb Cleveland award of the American Association for the Advancement of Science, and served as president of the Astronomical Society of the Pacific from 1980 to 1983. In 1984, he received the Alexander von Humboldt Senior Scientist Award.