[RayChuang88]

I'm surprised the BBC did not mention the following two planes:

The Deperdussin Monocoque racer, an airplane WAY ahead of its time in terms of aerodynamics and structural design:

The Boeing B-47 bomber, which pioneered many of the aerodynamic aspects of modern jet airliners:

[Ernest_at_the_Beach]

For those interested:

Deperdussin Monocoque