Nikolai Kardashev was born in 1932.

I believe that's the one that uses the energy of an entire galaxy for communication? Whew. I rather doubt it; just getting to all the stars of this galaxy would take several million years at sublight speeds. I don't know if we can last that long.

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The E scale is identical to the Fb scale.

No, but they are labeled as not to scale if they are not to scale. Most of them are to scale.