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Copenhagen Laboratory Research

Part of
James D. Watson Collection
  • Archives and manuscripts

About this work


The Copenhagen Laboratory Research subseries includes laboratory notebooks from Watson's brief stay in Denmark. After completion of his dissertation in 1950, Watson headed to Copenhagen for a year to continue his study of phage replication in the laboratory of Herman Kalckar. However, he and Gunther Stent left Kalckar's laboratory to work instead with Ole Maaløe. Here, Watson set out to determine whether there were two types of DNA, one type which carried genetic material and one type that did not. To accomplish this, he used radioactive isotopes of phosphorous and carbon to be able to observe what material was transferred from the original phage to its progeny.



Physical description

6 folders

Copyright note

Please note that CSHL holds copyright in writings by Watson that are held within Watson's archive in the CSHL Library and Archives, but does not hold copyright in Watson's writings held outside the CSHL Library and Archives. Copyright of material created by persons other than Watson, published or unpublished, is retained by its original author or rightsholder.

Location of duplicates

A digitised copy is held by the Wellcome Library as part of Codebreakers: Makers of Modern Genetics.

Terms of use

Open and available at Cold Spring Harbor Laboratory Library and Archives.

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