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