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