I mentioned him before in my list of 25 things (see #24) in no small part because his drawings tend to be done in pencil, and have a hazy, almost photo-real quality to them. In his blog he talks about his use of notebooks as a means for capturing ideas while being limited to the modest space of an airline seat:
Notebooks are portable. They can be kept secret, or published. Technically, they are simple to make. Pen and paper. The hand, eye, and thought. Freed from any sort of burdensome apparatus, thought becomes more agile in confronting itself.
- NOTEBOOK 98-3 at Lebbeus Woods' blog