Joel Primack is a professor of Astronomy and Astrophysics at the University of California, Santa Cruz and works at the Lick Observatory. Dr. Primack received his Ph.D. from Stanford University in 1970. According to his web site at the University of California, Santa Cruz, Dr. Primack's specific field of study is relativistic quantum field theory, cosmology and particle astrophysics. Wikipedia
The definitive Wikipedia entry for Joel Primack. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Joel_Primack
Interview with Joel Primack and Nancy Abrams, Authors of The View from the Center of the Universe, and with Marine Geologist, Dr. Steven Scott, about Deep Sea Mining. www.twis.org/audio/2006/05/02/