Clarence 'Kelly' Johnson's design for the Lockheed Constellation, known affectionately as the 'Connie', produced one of the world's most iconic airliners.
Lockheed had been working on the L-044 Excalibur, a four-engine, pressurized airliner, since 1937. In 1939, Trans World Airlines, at the instigation of major stockholder Howard Hughes, requested a 40-passenger transcontinental aircraft with a range of 3,500 miles, well beyond the capabilities...