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