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