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