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