Despite what Watson said, Rosalind Franklin understood structure of DNA first
a day ago
- Photograph 51 was taken intentionally by Franklin to document a known helical B-form structure, not accidentally, based on her prior analysis of Photograph 49.
- Photograph 49, taken the same day, allowed Franklin to calculate key helical parameters (34 Å repeat, 10 bases per turn) before Photograph 51 was produced.
- Franklin's skill and judgment in recognizing the helical structure were later rhetorically erased by Watson and others, who portrayed nature as speaking directly to him through the image.
- Franklin's shift to analyzing the A form after taking Photograph 51 was part of her broader research plan, not neglect of the B form.
- The common narrative that Franklin failed to see Photograph 51's significance is refuted; she created it as a refined publication image.