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