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