Herbert HooverPhoto: Underwood & Underwood, Public domain (Wikimedia Commons) · Source
Franklin D. RooseveltPhoto: Vincenzo Laviosa, Public domain (Wikimedia Commons) · Source
Harry S. TrumanPhoto: National Archives and Records Administration. Office of Presidential Libraries. Harry S. Truman Library., Public domain (Wikimedia Commons) · Source
Dwight D. EisenhowerPhoto: White House, Public domain (Wikimedia Commons) · Source
John F. KennedyPhoto: U.S. Navy photo, Public domain (Wikimedia Commons) · Source
Lyndon B. JohnsonPhoto: Arnold Newman, Public domain (Wikimedia Commons) · Source
Richard NixonPhoto: Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. (ca. 1974 - 05/15/1984), Public domain (Wikimedia Commons) · Source
Gerald FordPhoto: David Hume Kennerly, Public domain (Wikimedia Commons) · Source
Jimmy CarterPhoto: The White House, Public domain (Wikimedia Commons) · Source
Ronald ReaganPhoto: Michael Evans, Public domain (Wikimedia Commons) · Source
George H. W. BushPhoto: David Valdez, Public domain (Wikimedia Commons) · Source
Bill ClintonPhoto: Bob McNeely, The White House[1], Public domain (Wikimedia Commons) · Source
George W. BushPhoto: Eric Draper, Public domain (Wikimedia Commons) · Source
Barack ObamaPhoto: Pete Souza, CC BY 3.0 (Wikimedia Commons) · License · Source
Donald TrumpPhoto: Shealeah Craighead, Public domain (Wikimedia Commons) · Source
Joe BidenPhoto: Adam Schultz, Public domain (Wikimedia Commons) · Source