Kim Kelly

Independent Journalist, Organizer & Author of "Fight Like Hell: The Untold History of American Labor"

Chris Emery

American Author & Former Government Official

Who Killed the President?

Jeffrey Rosen

President & CEO of the National Constitution Center & Contributing Editor of The Atlantic

Julian E. Zelizer

CNN Political Analyst, Professor of History & Public Affairs at Princeton University

Arthur Herman

Renowned Historian, NY Times Bestselling Author & Pulitzer Prize Finalist

Kevin M. Kruse

Professor of History at Princeton University; Author of "One Nation Under God: How Corporate America Invented Christian America"

Evan Thomas

Best-selling Author, Historian & Journalist

Alexandra Lord

Chair of the Division of Medicine and Science at the Smithsonian National Museum of American History

Dr. Brent D. Glass

Director Emeritus, National Museum of American History, Smithsonian Institution

Lonnie G. Bunch

Secretary of the Smithsonian Institution

Steve Coll

Former President & CEO of New America Foundation; Pulitzer Prize-Winning Author of "Ghost Wars"

Paul D. Miller

Professor of the Practice of International Affairs at Georgetown University School of Foreign Service

Sean Wilentz

Professor of History at Princeton University With An Expertise In Contemporary Political History and 1960s Music Historian

James McPherson

Acclaimed Civil War Historian & Author

Craig Shirley

Author, Historian, and Lecturer

Jay Winik

Bestselling Author and American Historian; Known for "April 1865: The Month That Saved America"