Franklin created famed 'Photo 51' after calculating key features of DNA's helix from an earlier image, study reveals

Rosalind Franklin's role in the discovery of DNA's double helix structure has been clarified.

A study published in the journal eLife reveals that Franklin calculated key features of DNA's helix from an earlier image, "Photo 49," before taking the famous "Photo 51."

The research challenges previous assumptions about Franklin's contributions to the discovery.