Comment by jimnotgym

>During WW2, Bell Labs reversed engineered and improved on the British Magnetron within 2 months.

Reverse[d] engineered with the benefit of the drawings and technical documents! It is not that complicated a device to reverse engineer anyway, the genius step was inventing it.

> invented an acoustic homing torpedo

Co-invented

> proximity fuzes,

They might have got it working effectively, but they didn't invent them

> echo-ranging SONAR,

A scientist on leave from Bell Labs did very important work on an invention from 20 years earlier

> pulse code modulation

Not that either

>the first anti-aircraft missile (the Nike)

The first guided anti-aircraft missile

>and the klystron.

...was invented at Stanford

Not a great article...