Oh dear - maybe he is locked up with only bread and water or other similar punishments for missing the maths class.

Oh well - if he got to the talk then he will at least have the memory of it, and in thirty, fourty years can tell the grand kids 'I skipped maths to go to see Ray Bradbury' - and they'll say - 'Who was he then?' or 'So do I still have to do my homework?'