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