First, 42 million includes children for who I doubt there is a public criteria we can agree on as proxy for intelligence. Second, I'm not sure IQ > 130 is .13%. Wikipedia suggests 1%.
Since those cut in opposite directions, let's pretend they wash out. I am comfortable asserting there are more than 60k black folks in the set of:
highly successful MDs & research PhDs (eg Neil DeGrasse Tyson).
As discussed elsewhere in this thread, Neil DeGrasse Tyson is "media science personality" not a successful researcher.
highly successful technocrats (mayors / police chiefs / school superintendent in large metro areas)
It doesn't take that much intelligence to be elected Mayor. Especially if your black in a majority black city and the electorate votes on tribal solidarity. Hence a few infamous cases, like Mayor Marion Barry of DC.
Another month, another rationality quotes thread. The rules are: