Who designed the best engine? If this is measured (at least in part) by the succes of a specific engine in use, here is something to muddy the waters......
This September I had the privilege to meet a USAAF engine mechanic who served at Poddington and several other B17 bases in East Anglia...
Hi there, try Shorpy Photo Archive | History in HD and look in WW2 gallery - some stunning quality colour views of aircraft factory operations, showing how much work was done by women.