Dennis Hopper | Joe Walsh | Dennis Quaid | Dennis the Menace | Dennis Rodman | Dennis Miller | Dennis Potter | Dennis Haysbert | Dennis the Menace (1959 TV series) | Dennis Kucinich | Dennis Morgan | Dennis Lillee | Dennis Dart | Dennis Prager | Dennis Oppenheim | Dennis Waterman | Dennis Green | Dennis Franchione | Dennis | Sandy Dennis | John Walsh | James Walsh | James T. Walsh | Hugh Dennis | Dennis Morgan (songwriter) | Dennis Lehane | Dennis Adams | Louis Walsh | Dennis Wilson | Dennis Wheatley |
Originally discovered by Dennis Walsh, Bob Carswell, and Ray Weymann in 1979, the double image of this quasar is caused by a galaxy positioned between it and the Earth.
On December 28, 2007, with the terms of members Peter Kirsanow and Dennis Walsh set to expire on New Year's Eve, the four-member Board delegated all of its powers to the three-person panel of Chairwoman Liebman and members Kirsanow and Peter Schaumber.