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