I understood from Mike Anshel that he was rather proud of this, though of course I never asked Dennis myself. I wonder if Harvard would posthumously enter it in the books if someone dropped off a bound copy now? I imagine somehow Dennis wouldn't appreciate that. On Thu, Jul 30, 2020 at 8:23 PM Kirk McKusick wrote: > The Computer History Museum has an interesting blog post about > Dennis Ritchie's lost dissertation: > > > https://computerhistory.org/blog/discovering-dennis-ritchies-lost-dissertation/ > > Interesting fact is that Dennis never received his PhD because he failed > to provide a bound copy of his dissertation to the Harvard library. > > Kirk McKusick >