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