Donald A. Quarles

Donald A. Quarles (1887-1959) was an American electrical engineer, executive, and government official. He served as United States Secretary of the Air Force from 1955 to 1956 and as Deputy Secretary of Defense from 1957 to 1959 under President Dwight D. Eisenhower. Quarles held key roles in military aviation and defense technology during the early Cold War era, including positions at Western Electric and Bell Labs. No direct involvement in UAP/UFO research, military UFO programs such as Project Blue Book or Grudge, or related fields is documented in available sources. He contributed to radar and electronics advancements critical to Air Force operations but lacks notable achievements, publications, or testimony specific to UFO phenomena.