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