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