jan 1, 1952 - Rosalind Franklin takes Photo 51
Description:
- English chemist and X-ray crystallographer Rosalind Franklin takes Photo 51, an x-ray image of a DNA fiber displaying a double helix.
- The image shows an "X" pattern, which is the signature of a double helix.
- This photo was the final clue that enabled Watson and Crick to confirm that DNA was a double helix shape.
- It is believed to be one of the most important pictures of all time.
- Rosalind Franklin however did not know that the Deputy Director of her lab, Maurice Wilkins, was secretly passing her images and notes to Watson and Crick, including Photo 51.
Added to timeline:
Date:
Images:
![]()