the three professors who set up the AI yes the school day I remember he leaves head Umbra well he leaves for several reasons personal conflict with one of the other main protagonists was perhaps one of the reasons he left and went to Sussex and I went with him you went with him did you find your fellow graduate students bewildered by this analysis and you you know I didn't or I don't remember at the time I think I thought light Hill was too severe on a I to ah there have been a lot of paper pressure to believe that yes of course um yeah I