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