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