Correspondence between Wilkins and Leonard Hamilton, including: their reactions to James Watson’s book, The double helix: a personal account of the discovery of the structure of DNA (Atheneum, New York, 1968); Wilkins’ account, 1968, of the progress of DNA research at King’s College London in the early 1950s; offprint article by Hamilton, ‘DNA: models and reality’, published in Nature, May 1968, with Wilkins’ comments on a typescript draft; their reactions to articles, 1968 and 1969, by Tai Te Wu (in which Wu posited a four-strand helical structure for DNA, rather than a double helix); their reactions to an article by Jerry Donohue, ‘Fourier analysis and the structure of DNA’, published in Science, 12 Sep 1969; copy letter from Wilkins to Aaron Klug, 1969, detailing Rosalind Franklin’s DNA research at King’s College London; typescript draft untitled lecture by Hamilton, on DNA and RNA, given at the Brookhaven National Laboratory, [1969]; domestic difficulties with Wilkins’ holiday home, Corsica, 1969; Wilkins’ letter in support of Stephen Hamilton’s application for conscientious objector deferment from the draft, 1970; pages from Science, Vol 1693, 27 Mar 1970, including article by Wilkins, Struther Arnott, Donald Marvin and Hamilton, ‘Some misconceptions on Fourier analysis and Watson-Crick base pairing’; their opinions of Robert Olby and his research for his book The path to the double helix: the discovery of DNA (University of Washington Press, Seattle, 1974); Wilkins’ opinion of Horace Freeland Judson’s series of articles, ‘DNA’, published in New Yorker magazine, 1976, Judson’s proposed book, The eighth day of creation: makers of the revolution in biology (Simon & Schuster, New York, 1978), and copies of Wilkins’ letters to Judson. Original file title ‘Hamilton L’.