on the flip side
When do you do the work. Examples, Andrew Wiles Fermat’s Last Theorem Chris Lattner, LLVM, SWift and Mojo And in Slow Productivity, Cal also describes McPhee, as a freelance writer , who on the surface may look like someone who spent 2 years writing some article here and there but really Cal notes in a footnote on p 216 that McPhee still needed to keep a day job teaching at Princeton and needed royalties from books that were successful, because the articles he quote unquote took his time on werent really profitable....

