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