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