The great Oleg Kiselyov reports yet more things that Peter Landin figured out before Sesame Street existed, like the state monad, world-passing, and treating the semi-colon as a concatenation operator. And more.
http://www.haskell.org/pipermail/haskell-cafe/2010-December/087788.html
Peter Landin was, like, the Da Vinci of programming.
