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