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