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