Meetings recipe list suggesting workshop and symposium organisers what to do and what not to do.
Hans-Peter Doerr's count-down display script for the 12th European Solar Physics Meeting, keeping even me in time in my Concluding Remarks.
Piet van der Kruit's old hints for presentations. They date back to viewgraph projectors rather then computer screen projectors but remain instructive.
Leslie Lamport's yet older How to present a paper.
Chris Sterken's hints for writing articles.