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