In which county are the headquarters of this company located that developed one of the world's first commercial jet airliners built by Alan Samuel Butler?
Alan Samuel Butler Alan Butler (22 November 1898 —24 May 1987), full name Alan Samuel Butler, was (claimed his obituary in "The Times") the first private aeroplane owner-driver. From 1923 Butler was chairman of De Havilland Aircraft Company —which he financed— until 1950, a year when De Havilland employed 20,000 people and was building Comet, the world's first commercial jet airliner.
Samuels Field Samuels Field (IATA: BRY, ICAO: KBRY, FAA LID: BRY) is a public use airport located two nautical miles (3.7 km) west of the central business district of Bardstown, a city in Nelson County, Kentucky, United States. This airport is included in the FAA's National Plan of Integrated Airport Systems for 2009–2013, which categorized it as a "general aviation" facility.