@St_Rev @theviewfromhell my dads an inventor whose best work is from his 30s/40s, so far
@TheViewFromHell Consider Joan Birman (PhD at 41). I think Karin Uhlenbeck is another example but not sure.
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. Banned in Sweden. SubGenius, Zhuangist, white-hat troll. Defrocked mathematician. Brain problems.