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The Rosalind Franklin Papers

Letter from Rosalind Franklin to Paul Kaesberg pdf (78,533 Bytes) transcript of pdf
Letter from Rosalind Franklin to Paul Kaesberg
Kaesberg was one of many researchers that Franklin met during her 1954 visit to the United States. In this letter, she asked him if she might have a sample of pea streak virus, to compare with TMV, specifying the amount needed.
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1 (78,533 Bytes)
1955-07-18 (July 18, 1955)
Franklin, Rosalind
Kaesberg, Paul
University of Wisconsin
Original Repository: Churchill Archives Centre. The Papers of Rosalind Franklin
Reproduced from the Franklin Collection at the Churchill Archives Centre with the permission of the copyright holder.
Medical Subject Headings (MeSH):
Tobacco Mosaic Virus
X-Ray Diffraction
Exhibit Category:
Envisioning Viruses: Birkbeck College, London, 1953-1958
Folder Number:
Unique Identifier:
Document Type:
Letters (correspondence)
Series: Work on Tobacco Mosaic Virus (TMV)
Folder: Correspondence Regarding Franklin's Research, 1953-1958
18th July, 1955.
Dear Dr. Kaesberg,
I was very impressed by your electron micrographs of Pea Streak Virus, published with Dr. Stahman, and naturally wondered whether enough would be available for X-ray diffraction work. The work on TMV has progressed quite a bit since I saw you, and things have got to the stage where the best way to proceed seems to be to compare TMV with as many other rod-shaped viruses as possible. From your micrographs, Pea Streak looks particularly promising, and if you could possibly spare a small quantity I should be extremely grateful.
I should want to use it in the form of orientated solution or gel, so, if you have any available, the most convenient form to send it in would be a rather concentrated solution or an ultra-centrifuge pellet. With a 10 m.g. specimen one can work very comfortably, and it is, of course, possible to manage with less.
Jim Watson (of the DNA model) is back in Cambridge, and is also interested in these things, and between us we want to look at as many viruses as possible.
I shall be away during August, so it would be best not to send anything until September, when I should be able to start work at once on anything you send.
I hope things are going well with you, and that you will manage to visit us here some time.
Best wishes,
Yours sincerely,
Rosalind Franklin.
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