James E. Gunn

Who is James E. Gunn?

James Edward Gunn is the Eugene Higgins Professor of Astronomy at Princeton University. Gunn's early theoretical work in astronomy has helped establish the current understanding of how galaxies form, and the properties of the space between galaxies. He also suggested important observational tests to confirm the presence of dark matter in galaxies, and predicted the existence of a Gunn–Peterson trough in the spectra of distant quasars.

Much of Gunn's later work has involved leadership in major observational projects. He developed plans for one of the first uses of digital camera technology for space observation, a project that led to the Sloan Digital Sky Survey, the most extensive three-dimensional mapping of the universe ever undertaken. He also played a major role with the Wide Field and Planetary Camera on the Hubble Space Telescope.

Gunn earned his bachelor's degree at Rice University in Houston, Texas, in 1961, and his Ph.D. from the California Institute of Technology in 1966. He joined the faculty of Princeton University two years later. Subsequently, he worked at the University of California at Berkeley, Caltech, before returning to Princeton.