C. Arthur Knight was one of many virus researchers that Franklin visited during her 1954 trip to the United States. A colleague of Wendell Stanley, Robley Williams, and Heinz Fraenkel-Conrat, he sent her samples of cucumber virus and iodinated TMV. In this letter she reported that she was still having trouble getting the samples to orient well enough to do x-ray diffraction with them, and concluded that they had dried out too much in transit.. NOTE: Best image that could be obtained; carbon copy with light text.
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