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