Hi! Alexander,   
      
   On 12/09/2015 5:43 PM, you wrote:   
      
    ak> The main idea was that you should not change the past. That's why the   
    ak> author could not be taken at the earlier stage of his life. Bradbury   
    ak> often told of such things. Do you remember the novel which tells us that   
    ak> even a butterfly having been killed in the past can change the whole   
    ak> history of humankind?   
      
   I have heard of the novel but have never read it.  However I have seen a movie   
   based on the premise, 'A Sound of Thunder (2005)'.   
      
   BTW, strictly-speaking the fan will have contravened rule #2 in time travel:   
   "never bring anything back".  Bradbury would roll in his grave.  :)   
      
    ak> I've found out what it was: R. Bradbury "Forever and the Earth".   
      
   Ah, so.  Well done, indeed.   
      
   Cheers,   
   Paul.   
      
   --- Mozilla/5.0 (Windows NT 5.1; rv:31.0) Gecko/20100101 Thunderbird/31.7.0   
    * Origin: Paul's other Linux vBox - Maryborough, Qld, OZ (3:640/1384)