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