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