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