"I do not find anything in your letter to change my opinion that you ought to make public the specific inaccuracies of which you believe Dr. Pauling to be guilty. I should have thought this a general principle. One would not, for instance, accuse a man of being a thief if one were unable or unwilling to give a specific instance. I feel so strongly that scientific controversy can only be fruitful if it is documented by evidence that I am sending a letter to the Bulletin."