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