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