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