Dijkstra, Lamport, & Misra

We know them as brilliant computer scientists. But their "non-paper" stuff is worth reading too.

Dijkstra: http://www.cs.utexas.edu/users/EWD/
Lamport: http://research.microsoft.com/en-us/um/people/lamport/pubs/pubs.html
Misra:http://www.cs.utexas.edu/users/misra/speeches.html