27 March 1953
Dr. J. D. Watson
Mr. F.H.C. Crick
Free School Lane
Dear Dr. Watson and Mr. Crick:
I am very glad to have your letter of 21 March, and to see the letter that you are sending off to NATURE.
I think that it is fine that there are now two proposed structures for nucleic acid and I am looking forward to finding out
what the decision will be as to which is incorrect.
Without doubt the King's College data will eliminate one or the other.
We have taken care of the trouble of too small van der Waals contacts in our structure by rotating the phosphate groups. I
do not think that the matter of repulsion between the charged phosphates is an important one. I am not saying, however,
that I feel strongly that our structure is right, rather than yours.
With best regards, I am