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