Rosalind Franklin (Notting Hill, London, 25 July 1920 – London, 16 April 1958) was a British biophysicist. She was known for helping to discover the structure of DNA. Rosalind Franklin was about 15 years old when she knew that she wanted to become a scientist. She attended St. Paul's Girls' School and then continued school at Newham College in Cambridge. At Newham College she got a Ph.D in physical chemistry. She worked on coal, studies of RNA, and viruses. She was one of the first people to do X-ray crystallography on DNA. She also spent several years working in Paris studying crystals. [3] She discovered the size, shape, and arrangement of molecules. She dedicated her life to discovering more about molecules. 