Brilliant scientists and military officers aren't necessarily also savvy with tools and "shop skills". If anything, you'd usually expect a negative association

Brilliant scientists and military officers aren't necessarily also savvy with tools and "shop skills". If anything, you'd usually expect a negative association between excellence in one area and excellence in another area: https://en.wikipedia.org/wiki/Berkson%27s_paradox https://en.wikipedia.org/wiki/Berkson%27s_paradox