Wait, is that the same guy who co-authorer the Floyd-Rivest Algorithm? Hmm, looks like it[0]. Huh, neat.

[0] https://en.wikipedia.org/wiki/Floyd%E2%80%93Rivest_algorithm

Also the same Rivest as Cormen, Leiserson and Rivest (that Stein dude was after my time), and the R in RSA.