David Copperfield (1935 film) David Copperfield (1935 film) David Copperfield is a 1935 American film released by Metro-Goldwyn-Mayer based upon the Charles Dickens novel "The Personal History, Adventures, Experience, & Observation of David Copperfield the Younger". A number of characters and incidents from the novel were omitted – notably David's time at Salem House boarding school, although one character he met at Salem House (Steerforth) was retained for the film as a head boy at the school David attended after his aunt Betsey Trotwood gained custody of him. The story was adapted by Hugh Walpole from the Dickens novel, and the film was directed
Maurice Wilkins by James Watson. During the second phase, 1951–52, Wilkins produced clear "B form" "X" shaped images from squid sperm, images he sent to James Watson and Francis Crick, causing Watson to write "Wilkins... has obtained extremely excellent X-ray diffraction photographs" [of DNA]. In 1953 Wilkins' colleague Rosalind Franklin instructed Raymond Gosling to hand over to Wilkins a high quality image of "B" form DNA ("Photo 51"), which she had made in 1952 but had “put it aside” as she was leaving King's College London. Wilkins showed it to Watson. This image, along with the knowledge that Linus Pauling had proposed