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