24th November, 1971



Professor Luigi Silvestri,

Gruppo Lepetit,

.

20124 Milano,        
via Roberto Lepetit 8,
ITALY.

Dear Dr. Silvestri,
            

,

  Do please a&ept my deepest apologies for abandoning the Lepetit
Symposium` towards the end of the first day;  I am afraid I have been 1
overworking too much -
rest for several ,weeks. my doctor has now told me to have a complete
          I hear the Symposium was.very good value
although, as you feared, it tended to fall into, three separate parts, but
I'm afraid this is probably due to the present state of the subject.,

Yours sincerely,
                    

                                                                          



                                                                           >

F. H. C. Crick



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