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