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