White House Photographs
President John F. Kennedy (center left, in background) stands in an open convertible after departing the Cologne Cathedral (Kölner Dom), where he attended mass. Chancellor of West Germany, Konrad Adenauer, stands left of President Kennedy; Special Assistant to the President, Kenneth P. O’Donnell (back to camera), sits in car in foreground. Also pictured: Military Aide to the President, General Chester V. Clifton; West German Ambassador to the United States, Karl Heinrich Knappstein; White House Secret Service agent, Gerald A. “Jerry” Behn. Cologne, West Germany (Federal Republic).