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