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