1. Francis Crick lecturing at Cambridge University

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2. Group portrait of physics research students at the Cavendish Laboratory

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3. Letter from Aaron Klug to Francis Crick

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4. Letter from Aaron Klug to Francis Crick

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5. Letter from Charlotte Friend to Francis Crick

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6. Letter from Francis Crick to Andrew Poggenpohl, National Geographic Magazine

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7. Letter from Francis Crick to Charlotte Friend

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8. Letter from Francis Crick to Harold Himsworth, Medical Research Council of Great Britain

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9. Letter from Francis Crick to the Editor of The Sciences

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10. Letter from James D. Watson to Francis Crick

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11. Letter from Margaret Markham to Francis Crick

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