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In his letter Watson was looking forward to Crick's appointment as visiting professor of biochemistry in spring, 1959, and described his theory for the action of cancer-causing viruses.
Original Repository:
The Wellcome Library for the History and Understanding of Medicine. Francis Harry Compton Crick Papers
Original Repository. Wellcome Library for the History and Understanding of Medicine. Francis Harry Compton Crick Papers. 11646. URL. http://archives.wellcome.ac.uk/