We made a completely new kind of transistor (the NPN BJT, and in our development work, our researcher, Leo Esaki, demonstrated the electron tunneling… - Akio Morita

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We made a completely new kind of transistor (the NPN BJT, and in our development work, our researcher, Leo Esaki, demonstrated the electron tunneling effect, which led to the development of the tunnel diode for which he was awarded a Nobel Prize seventeen years later, after he had joined IBM.