London, 1958. This is Rosalind. She’s thirty-seven years old. And she just died without knowing she discovered DNA. Rosalind Franklin was a chemist and X-ray crystallographer. She took Photo 51—the image that revealed DNA’s double helix structure. It’s one of the most important scientific images in history. She captured it through: ∙ Painstaking work ∙ Precise calculations ∙ Months of effort Her colleague Maurice Wilkins showed it to James Watson and Francis Crick without her permission. They saw it. Understood it immediately. Published the double helix model. They won the Nobel Prize in 1962: ∙ James Watson ∙ Francis Crick ∙ Maurice Wilkins Rosalind Franklin wasn’t mentioned. She’d died four years earlier from ovarian cancer—likely caused by radiation exposure from her X-ray work. She was thirty-seven years old: ∙ She never knew her photograph changed biology forever ∙ She never knew they used her data ∙ She never got credit The Nobel Prize can’t be awarded posthumously. Conv...