Obituary from this link:

Edward Bradfield Jr.
October 4, 1935 - January 13, 2021

Edward Neville Bradfield, Jr passed away on January 13, 2021 in Lancaster, CA. He was born October 4, 1935 in Leesburg, Virginia. He was an Aeronautical Engineer, Flight Test Engineer and Program Manager with Northrop Grumman Corp and US Civil Service with 36 years experience. He developed and published method for determining Air Minimum Directional Control Speed of aircraft that did not require flying at low altitudes. Memorandum on this subject is in use today at the US Air Force Test Pilot School. He joined the Air Force in 1958 and began flying with the Scott AFB Aero Club. He resigned from the Air Force in 1965. He was preceded in death by his parents, Ruth Crim and Edward N. Bradfield, Sr and his sister Ellen Bradfield DeCourcy. He is survived by his sister Jane Bradfield Davison, nieces Susan DeCourcy LeMarr (Ronald), Anne DeCourcy George (Fred), nephews John S. DeCourcy, Jr (Rosemary), John W. Davison (Amy), and Brad Davison. He will be laid to rest with his parents in Union Cemetery in Leesburg, VA.

From Smithsonian Air & Space Museum Wall of Honor (link)

Mr. Bradfield was employed for 35 years as a flight test engineer by the Air Force Flight Test Center, Edwards Air Force Base, California and later by the Northrop Grumman Corporation. His work included performance/flying qualities testing and systems evaluations on a variety of Air Force, Navy, and civilian aircraft including the B-l and B-2 bombers, B-52G Cruise Missile Carrier, F5F, KC-135R Tanker, C-5A Wing Modification, C-130, YC-14 STOL Transport, Boeing 737, French Mirage G, P-1127, OV-1, A-4, and numerous classified aircraft programs, some of which are on display in this museum.

Photos from 2010, 2014 & 2019 Edwards Reunions