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