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