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