Hmm,

Daniel Bernstein was only 24 when he bought the first of the Bernstein v. United States series to the courts.

https://en.wikipedia.org/wiki/Bernstein_v._United_States

Nice work there.

( connection being Verified fast formulas for control bits for permutation networks by djb

https://cr.yp.to/papers/controlbits-20200923.pdf )