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