Crick here briefly touched on the skepticism his theory of DNA and of the genetic code continued to encounter among some researchers
in the early 1960s, as well as on his realization that the genetic code contained ancillary features from previous stages
of evolution that might yield clues to how life developed on earth.
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1974-05-20 (May 20, 1974)
Jukes, Thomas H.
Original Repository: Wellcome Library for the History and Understanding of Medicine. Francis Harry Compton Crick Papers
Thank you for your kind words about my article and especially for your reminiscences. It is really rather surprising how
Chargaff, while frequently being witty, has almost always been wrong. Pirie, though rather different in character, has always
been obstinately sceptical. I had no idea that he said that about the genetic code in 1963 and would be glad to have the
As you probably know, I first realised that nucleic acid would have a lot of evolutionary information in 1958. I have always
been mildly supprised that I subsequently have done nothing about it but thanks to your efforts and those of several others
the matter seems to be in good hands.
I have given up travelling for the time being so that I can lead a quiet life, so we are unlikely to meet in the near future
unless you come to England.