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