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The Joshua Lederberg Papers

Title:
Letter from Francis J. Ryan to Joshua Lederberg pdf (115,349 Bytes) transcript of pdf
Letter from Francis J. Ryan to Joshua Lederberg
Description:
Item is handwritten.
Number of Image Pages:
2 (115,349 Bytes)
Date:
1947-09-18 (September 18, 1947)
Creator:
Ryan, Francis J.
Recipient:
Lederberg, Joshua
Rights:
Reproduced with permission of Elizabeth J. Ryan.
Relation:
Lederberg Grouping: Correspondence B
Metadata Record Interactions During the Growth of Mutating Populations of Bacteria (September 18, 1947) pdf (553,014 Bytes) ocr (8,705 Bytes)
/ps/access/BBGCOV.pdf
Box Number: 8
Folder Number: 27
Unique Identifier:
BBGCOU
Accession Number:
82
Document Type:
Letters (correspondence)
Language:
English
Format:
application/pdf
image/tif
Physical Condition:
Good
Series: Correspondence, 1935-2002
SubSeries: 1947-1953
Folder: Ryan, Francis J.
Transcript:
9/18/47
Dear Josh,
I've enclosed my summaries on correlation of T and L reversions. They are the only set I have; would you study and refer to them, then send them back? I've also enclosed a copy of my VI Inter. Congress for Exp. Cyt. paper. That need not be returned if you want it. I've also enclosed Ester's paper and since she will read this letter I'll now talk to her.
I like the paper. The most general criticism I can make is that the presence or absence of
[END PAGE ONE]
[BEGIN PAGE TWO]
selection was not tackled directly. I'm not convinced by table 7. What were expected frequencies there? And if there still is a possibility of selection what about the induction of the mutations -- is it clear or do you have a quantitative method. And are the mutations distributed equally among viable and unviable spores? I'm not raising anything new to you, they're just my comments.
How's Madison? Do you have a house?
Give my best regards to Skoog Snell and Huskins.
Sincerely
Francis
Metadata Last Modified Date:
2006-12-07
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