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