Though I'm honored to be giving the Armstrong Lecture this year, there are some drawbacks. First, keeping an audience awake at 4:30 in the afternoon after a day of scientific papers should qualify one for the No-Doz award. Second, when one starts being invited to give named lectureships, it could be interpreted as a gentle nudge to the sidelines where prance the venerated heroes of yesteryear. I'd like to think that there are a few seeds of rebellion left in me to sprout, and that like that hero of has-beens, George Blanda, there are a few good kicks left in the old leg. Finally, there's the awful temptation to try to say something profound. I hate the term "lecture" because it implies teaching-preaching, rather than learning. Adding some ancient's name to it makes one feel compelled to issue lofty pronouncements in hushed tones. I'll try hard to "play past" that