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Meselson described some of his work in progress on density gradient centrifugation, and provided Luria with instructions for doing it. Meselson's experiments with Franklin Stahl on the replication of DNA that were published later in 1958 helped cement the concept of the double helix by validating a model that many scientists still saw as speculation and demonstrated how two strands of a helix could physically code for the material of inheritance.
Original Repository:
American Philosophical Society. Library. Salvador Luria Papers