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