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