Doctor George Mueller gives Saturn V orientation to United States President John F. Kennedy and officals in Blockhouse 37 at Cape Canaveral, Florida. Front row, left to right: George Low, Doctor Kurt Debus, Doctor Robert Seamans, James Webb, President Kennedy, Doctor Hugh Dryden, Doctor Wernher von Braun, General Leighten Davis, and United States Senator George Smathers (Democrat of Florida). .Credit: NASA via CNP /MPI/Capital Pictures