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