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