| Pre-boomer | Daniel Akaka,
Max Baucus,
Jeff Bingaman,
David Boren,
Barbara Boxer,
John Breaux,
Richard Bryan,
Dale Bumpers,
Conrad Burns,
Robert Byrd,
Dennis DeConcini,
Byron Dorgan,
Jim Exon,
Dianne Feinstein,
Wendell Ford,
John Glenn,
Bob Graham,
Tom Harkin,
Howell Heflin,
Fritz Hollings,
James Jeffords,
Bennett Johnston,
Edward Kennedy,
Bob Kerrey,
John Kerry,
Frank Lautenberg,
Patrick Leahy,
Carl Levin,
Joseph Lieberman,
Harlan Mathews,
Howard Metzenbaum,
Barbara Mikulski,
George Mitchell,
Daniel Moynihan,
Sam Nunn,
Claiborne Pell,
Harry Reid,
Donald Riegle,
Chuck Robb,
Jay Rockefeller,
Paul Sarbanes,
James Sasser,
Richard Shelby,
Paul Simon,
Paul Wellstone,
Harris Wofford | Bob Bennett,
Kit Bond,
Bill Bradley,
Hank Brown,
John Chafee,
Dan Coats,
Thad Cochran,
William Cohen,
Paul Coverdell,
Jack Danforth,
Bob Dole,
Pete Domenici,
Alfonse D'amato,
Lauch Faircloth,
Slade Gorton,
Phil Gramm,
Chuck Grassley,
Orrin Hatch,
Mark Hatfield,
Kay Bailey Hutchison,
Nancy Kassebaum,
Herb Kohl,
Trent Lott,
Richard Lugar,
Connie Mack,
John McCain,
Mitch McConnell,
Frank Murkowski,
Robert Packwood,
Larry Pressler,
William Roth,
Alan Simpson,
Robert Smith,
Arlen Specter,
Ted Stevens,
Strom Thurmond,
Malcolm Wallop,
John Warner | Joe Biden,
Ben Campbell,
Larry Craig,
Chris Dodd,
David Durenberger,
Jesse Helms,
Daniel Inouye,
David Pryor |