Packard-Merlin People
| Arnold, Henry Harley "Hap" (Maj Gen) | Chief of the Air Corps |
| Barrington, | R-R Engineer |
| Berlin, Don R. | Curtiss Aeroplane Division Chief Engineer |
| Brett, George H. (Gen) | Assistant Chief, Chief, Air Corps (1939 - 1941) |
| Brown, W.J. | PPL civilian engineer |
| Carroll, F.O. (Maj, Lt Col) | Chief, Experimental Engineering |
| Chenoweth, Opie | PPL civilian engineer |
| Cherry, | American Bosch magneto specialist |
| Couch, Howard H. (Lt Col) | Chief, Propeller Laboratory |
| Crawford (Maj) | MatCmd ? |
| Dietz, F.A. | Packard test engineer |
| Dolza, John | Allison engineer |
| Doolittle, James. H (Maj) | Automotive Liaison Officer, Air Corps Office of the District Supervisor, Detroit, Michigan |
| Dumas, Paul | Packard service manager |
| Echols, Oliver P. (Col) | Assistant Chief, Air Corps Materiel Division, Wright Field |
| Ellor, James E. | R-R Test and Development Engineer |
| Graves, W.H. | Packard Chief Metallurgist |
| Hoffman, Ray | PPL Branch carburetor specialist |
| Irvine, C.S. (Capt, Maj) | MatCmd Inspector |
| Johnson, J.B. | Wright Field Materiel Division Chief |
| Jones, A.E. (Lt Col) | Wright Field Contract Section Chief |
| Kiely | American Bosch Corp Magneto Specialist |
| Knudson, William S. | Chair, National Defense Board |
| Kumler (?) | Packard assistant to Dumas? |
| Lassels, Dr. | Aluminum casting alloys expert |
| Lyon , Al K. (Maj) | Office, Chief, Air Corps (OCAC) Technical Executive |
| MacArthur, Ray | R-R Representative |
| Marks, James H. | Packard vice president |
| Mead, George Jackson (Dr.) | Pratt & Whitney Vice President; Chief, Aeronautical Section, The Advisory Commission to the Council of National Defense |
| Meyers, B.E. (Lt Col) | Executive to the Materiel Division Chief in Washington, DC |
| Morbenthau, Henry | U.S. Treasury Secretary |
| Neill, T.T. | PPL Ignition Specialist |
| Madakasz, J.A. (Maj) | Central District Accountability Officer |
| Olley, Maurice | R-R Representative |
| Osborn | Rolls-Royce Representative |
| Page, Edwin R. (Col) | PPL Chief |
| Pirie (Group Captain) | British Military Attache for Air |
| Robey, P.H. (Maj) | MatCmd |
| Ross, D.W. | MatCmd |
| Rudolph, D.W. | Packard electrical engineer |
| Sessums, Jr., J.W (Maj) | Assistant Technical Executive |
| Seward, Eric | Packard employee, British citizen and R-R expert |
| Shaw, () | MatCmd? |
| Snodgrass, (Capt) | OCAC ? |
| Swofford, R.P. (Maj) | Wright Field Experimental Engineering Section specialist |
| Tost | American Bosch Corp Magneto Specialist |
| Volandt, William F. (Col) | OCAC |
| Wild | American Bosch magneto specialist |
| Wolfe, E.A. | PPL employee |
| Wolfe, K.B. (Lt Col) | Chief, Production Engineering Section |
| Worth, Weldon | Division civilian employee, coolant system installation specialist. |